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path: root/drivers/gpu/drm/radeon/atombios_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c1929
1 files changed, 1929 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
new file mode 100644
index 0000000..d5df8fd
--- /dev/null
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -0,0 +1,1929 @@
+/*
+ * Copyright 2007-8 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ * Alex Deucher
+ */
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/radeon_drm.h>
+#include <drm/drm_fixed.h>
+#include "radeon.h"
+#include "atom.h"
+#include "atom-bits.h"
+
+static void atombios_overscan_setup(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ SET_CRTC_OVERSCAN_PS_ALLOCATION args;
+ int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan);
+ int a1, a2;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+
+ switch (radeon_crtc->rmx_type) {
+ case RMX_CENTER:
+ args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2);
+ args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2);
+ args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2);
+ args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2);
+ break;
+ case RMX_ASPECT:
+ a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay;
+ a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay;
+
+ if (a1 > a2) {
+ args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2);
+ args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2);
+ } else if (a2 > a1) {
+ args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
+ args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
+ }
+ break;
+ case RMX_FULL:
+ default:
+ args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border);
+ args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border);
+ args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border);
+ args.usOverscanTop = cpu_to_le16(radeon_crtc->v_border);
+ break;
+ }
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_scaler_setup(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ ENABLE_SCALER_PS_ALLOCATION args;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableScaler);
+ struct radeon_encoder *radeon_encoder =
+ to_radeon_encoder(radeon_crtc->encoder);
+ /* fixme - fill in enc_priv for atom dac */
+ enum radeon_tv_std tv_std = TV_STD_NTSC;
+ bool is_tv = false, is_cv = false;
+
+ if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id)
+ return;
+
+ if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
+ struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv;
+ tv_std = tv_dac->tv_std;
+ is_tv = true;
+ }
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucScaler = radeon_crtc->crtc_id;
+
+ if (is_tv) {
+ switch (tv_std) {
+ case TV_STD_NTSC:
+ default:
+ args.ucTVStandard = ATOM_TV_NTSC;
+ break;
+ case TV_STD_PAL:
+ args.ucTVStandard = ATOM_TV_PAL;
+ break;
+ case TV_STD_PAL_M:
+ args.ucTVStandard = ATOM_TV_PALM;
+ break;
+ case TV_STD_PAL_60:
+ args.ucTVStandard = ATOM_TV_PAL60;
+ break;
+ case TV_STD_NTSC_J:
+ args.ucTVStandard = ATOM_TV_NTSCJ;
+ break;
+ case TV_STD_SCART_PAL:
+ args.ucTVStandard = ATOM_TV_PAL; /* ??? */
+ break;
+ case TV_STD_SECAM:
+ args.ucTVStandard = ATOM_TV_SECAM;
+ break;
+ case TV_STD_PAL_CN:
+ args.ucTVStandard = ATOM_TV_PALCN;
+ break;
+ }
+ args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
+ } else if (is_cv) {
+ args.ucTVStandard = ATOM_TV_CV;
+ args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
+ } else {
+ switch (radeon_crtc->rmx_type) {
+ case RMX_FULL:
+ args.ucEnable = ATOM_SCALER_EXPANSION;
+ break;
+ case RMX_CENTER:
+ args.ucEnable = ATOM_SCALER_CENTER;
+ break;
+ case RMX_ASPECT:
+ args.ucEnable = ATOM_SCALER_EXPANSION;
+ break;
+ default:
+ if (ASIC_IS_AVIVO(rdev))
+ args.ucEnable = ATOM_SCALER_DISABLE;
+ else
+ args.ucEnable = ATOM_SCALER_CENTER;
+ break;
+ }
+ }
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+ if ((is_tv || is_cv)
+ && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) {
+ atom_rv515_force_tv_scaler(rdev, radeon_crtc);
+ }
+}
+
+static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index =
+ GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
+ ENABLE_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucEnable = lock;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
+ ENABLE_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucEnable = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
+ ENABLE_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucEnable = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
+ BLANK_CRTC_PS_ALLOCATION args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucCRTC = radeon_crtc->crtc_id;
+ args.ucBlanking = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_powergate_crtc(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating);
+ ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucDispPipeId = radeon_crtc->crtc_id;
+ args.ucEnable = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ radeon_crtc->enabled = true;
+ /* adjust pm to dpms changes BEFORE enabling crtcs */
+ radeon_pm_compute_clocks(rdev);
+ atombios_enable_crtc(crtc, ATOM_ENABLE);
+ if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
+ atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
+ atombios_blank_crtc(crtc, ATOM_DISABLE);
+ drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+ radeon_crtc_load_lut(crtc);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
+ if (radeon_crtc->enabled)
+ atombios_blank_crtc(crtc, ATOM_ENABLE);
+ if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
+ atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
+ atombios_enable_crtc(crtc, ATOM_DISABLE);
+ radeon_crtc->enabled = false;
+ /* adjust pm to dpms changes AFTER disabling crtcs */
+ radeon_pm_compute_clocks(rdev);
+ break;
+ }
+}
+
+static void
+atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
+ struct drm_display_mode *mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
+ int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
+ u16 misc = 0;
+
+ memset(&args, 0, sizeof(args));
+ args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2));
+ args.usH_Blanking_Time =
+ cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2));
+ args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2));
+ args.usV_Blanking_Time =
+ cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2));
+ args.usH_SyncOffset =
+ cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border);
+ args.usH_SyncWidth =
+ cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
+ args.usV_SyncOffset =
+ cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border);
+ args.usV_SyncWidth =
+ cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
+ args.ucH_Border = radeon_crtc->h_border;
+ args.ucV_Border = radeon_crtc->v_border;
+
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ misc |= ATOM_VSYNC_POLARITY;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ misc |= ATOM_HSYNC_POLARITY;
+ if (mode->flags & DRM_MODE_FLAG_CSYNC)
+ misc |= ATOM_COMPOSITESYNC;
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ misc |= ATOM_INTERLACE;
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ misc |= ATOM_DOUBLE_CLOCK_MODE;
+
+ args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
+ args.ucCRTC = radeon_crtc->crtc_id;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_crtc_set_timing(struct drm_crtc *crtc,
+ struct drm_display_mode *mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
+ int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
+ u16 misc = 0;
+
+ memset(&args, 0, sizeof(args));
+ args.usH_Total = cpu_to_le16(mode->crtc_htotal);
+ args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
+ args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
+ args.usH_SyncWidth =
+ cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
+ args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
+ args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
+ args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
+ args.usV_SyncWidth =
+ cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
+
+ args.ucOverscanRight = radeon_crtc->h_border;
+ args.ucOverscanLeft = radeon_crtc->h_border;
+ args.ucOverscanBottom = radeon_crtc->v_border;
+ args.ucOverscanTop = radeon_crtc->v_border;
+
+ if (mode->flags & DRM_MODE_FLAG_NVSYNC)
+ misc |= ATOM_VSYNC_POLARITY;
+ if (mode->flags & DRM_MODE_FLAG_NHSYNC)
+ misc |= ATOM_HSYNC_POLARITY;
+ if (mode->flags & DRM_MODE_FLAG_CSYNC)
+ misc |= ATOM_COMPOSITESYNC;
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ misc |= ATOM_INTERLACE;
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ misc |= ATOM_DOUBLE_CLOCK_MODE;
+
+ args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
+ args.ucCRTC = radeon_crtc->crtc_id;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_disable_ss(struct radeon_device *rdev, int pll_id)
+{
+ u32 ss_cntl;
+
+ if (ASIC_IS_DCE4(rdev)) {
+ switch (pll_id) {
+ case ATOM_PPLL1:
+ ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
+ ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
+ WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
+ break;
+ case ATOM_PPLL2:
+ ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
+ ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
+ WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
+ break;
+ case ATOM_DCPLL:
+ case ATOM_PPLL_INVALID:
+ return;
+ }
+ } else if (ASIC_IS_AVIVO(rdev)) {
+ switch (pll_id) {
+ case ATOM_PPLL1:
+ ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
+ ss_cntl &= ~1;
+ WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
+ break;
+ case ATOM_PPLL2:
+ ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
+ ss_cntl &= ~1;
+ WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
+ break;
+ case ATOM_DCPLL:
+ case ATOM_PPLL_INVALID:
+ return;
+ }
+ }
+}
+
+
+union atom_enable_ss {
+ ENABLE_LVDS_SS_PARAMETERS lvds_ss;
+ ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2;
+ ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
+ ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2;
+ ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3;
+};
+
+static void atombios_crtc_program_ss(struct radeon_device *rdev,
+ int enable,
+ int pll_id,
+ int crtc_id,
+ struct radeon_atom_ss *ss)
+{
+ unsigned i;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
+ union atom_enable_ss args;
+
+ if (!enable) {
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (rdev->mode_info.crtcs[i] &&
+ rdev->mode_info.crtcs[i]->enabled &&
+ i != crtc_id &&
+ pll_id == rdev->mode_info.crtcs[i]->pll_id) {
+ /* one other crtc is using this pll don't turn
+ * off spread spectrum as it might turn off
+ * display on active crtc
+ */
+ return;
+ }
+ }
+ }
+
+ memset(&args, 0, sizeof(args));
+
+ if (ASIC_IS_DCE5(rdev)) {
+ args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0);
+ args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
+ switch (pll_id) {
+ case ATOM_PPLL1:
+ args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
+ break;
+ case ATOM_PPLL2:
+ args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
+ break;
+ case ATOM_DCPLL:
+ args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
+ break;
+ case ATOM_PPLL_INVALID:
+ return;
+ }
+ args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
+ args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
+ args.v3.ucEnable = enable;
+ if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE61(rdev))
+ args.v3.ucEnable = ATOM_DISABLE;
+ } else if (ASIC_IS_DCE4(rdev)) {
+ args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
+ args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
+ switch (pll_id) {
+ case ATOM_PPLL1:
+ args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
+ break;
+ case ATOM_PPLL2:
+ args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
+ break;
+ case ATOM_DCPLL:
+ args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
+ break;
+ case ATOM_PPLL_INVALID:
+ return;
+ }
+ args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
+ args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
+ args.v2.ucEnable = enable;
+ if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE41(rdev))
+ args.v2.ucEnable = ATOM_DISABLE;
+ } else if (ASIC_IS_DCE3(rdev)) {
+ args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
+ args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
+ args.v1.ucSpreadSpectrumStep = ss->step;
+ args.v1.ucSpreadSpectrumDelay = ss->delay;
+ args.v1.ucSpreadSpectrumRange = ss->range;
+ args.v1.ucPpll = pll_id;
+ args.v1.ucEnable = enable;
+ } else if (ASIC_IS_AVIVO(rdev)) {
+ if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
+ (ss->type & ATOM_EXTERNAL_SS_MASK)) {
+ atombios_disable_ss(rdev, pll_id);
+ return;
+ }
+ args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
+ args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
+ args.lvds_ss_2.ucSpreadSpectrumStep = ss->step;
+ args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay;
+ args.lvds_ss_2.ucSpreadSpectrumRange = ss->range;
+ args.lvds_ss_2.ucEnable = enable;
+ } else {
+ if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
+ (ss->type & ATOM_EXTERNAL_SS_MASK)) {
+ atombios_disable_ss(rdev, pll_id);
+ return;
+ }
+ args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
+ args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
+ args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2;
+ args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4;
+ args.lvds_ss.ucEnable = enable;
+ }
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+union adjust_pixel_clock {
+ ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
+ ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
+};
+
+static u32 atombios_adjust_pll(struct drm_crtc *crtc,
+ struct drm_display_mode *mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct drm_encoder *encoder = radeon_crtc->encoder;
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+ u32 adjusted_clock = mode->clock;
+ int encoder_mode = atombios_get_encoder_mode(encoder);
+ u32 dp_clock = mode->clock;
+ int bpc = radeon_get_monitor_bpc(connector);
+ bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock);
+
+ /* reset the pll flags */
+ radeon_crtc->pll_flags = 0;
+
+ if (ASIC_IS_AVIVO(rdev)) {
+ if ((rdev->family == CHIP_RS600) ||
+ (rdev->family == CHIP_RS690) ||
+ (rdev->family == CHIP_RS740))
+ radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
+ RADEON_PLL_PREFER_CLOSEST_LOWER);
+
+ if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */
+ radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+ else
+ radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+
+ if (rdev->family < CHIP_RV770)
+ radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
+ /* use frac fb div on APUs */
+ if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ /* use frac fb div on RS780/RS880 */
+ if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ } else {
+ radeon_crtc->pll_flags |= RADEON_PLL_LEGACY;
+
+ if (mode->clock > 200000) /* range limits??? */
+ radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+ else
+ radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+ }
+
+ if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
+ (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
+ if (connector) {
+ struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+ struct radeon_connector_atom_dig *dig_connector =
+ radeon_connector->con_priv;
+
+ dp_clock = dig_connector->dp_clock;
+ }
+ }
+
+ /* use recommended ref_div for ss */
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
+ if (radeon_crtc->ss_enabled) {
+ if (radeon_crtc->ss.refdiv) {
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
+ radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv;
+ if (ASIC_IS_AVIVO(rdev))
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ }
+ }
+ }
+
+ if (ASIC_IS_AVIVO(rdev)) {
+ /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
+ if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
+ adjusted_clock = mode->clock * 2;
+ if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
+ radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
+ if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
+ radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD;
+ } else {
+ if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
+ radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
+ if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
+ }
+
+ /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
+ * accordingly based on the encoder/transmitter to work around
+ * special hw requirements.
+ */
+ if (ASIC_IS_DCE3(rdev)) {
+ union adjust_pixel_clock args;
+ u8 frev, crev;
+ int index;
+
+ index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+ &crev))
+ return adjusted_clock;
+
+ memset(&args, 0, sizeof(args));
+
+ switch (frev) {
+ case 1:
+ switch (crev) {
+ case 1:
+ case 2:
+ args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
+ args.v1.ucTransmitterID = radeon_encoder->encoder_id;
+ args.v1.ucEncodeMode = encoder_mode;
+ if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage)
+ args.v1.ucConfig |=
+ ADJUST_DISPLAY_CONFIG_SS_ENABLE;
+
+ atom_execute_table(rdev->mode_info.atom_context,
+ index, (uint32_t *)&args);
+ adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
+ break;
+ case 3:
+ args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
+ args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
+ args.v3.sInput.ucEncodeMode = encoder_mode;
+ args.v3.sInput.ucDispPllConfig = 0;
+ if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage)
+ args.v3.sInput.ucDispPllConfig |=
+ DISPPLL_CONFIG_SS_ENABLE;
+ if (ENCODER_MODE_IS_DP(encoder_mode)) {
+ args.v3.sInput.ucDispPllConfig |=
+ DISPPLL_CONFIG_COHERENT_MODE;
+ /* 16200 or 27000 */
+ args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
+ } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+ if (encoder_mode == ATOM_ENCODER_MODE_HDMI)
+ /* deep color support */
+ args.v3.sInput.usPixelClock =
+ cpu_to_le16((mode->clock * bpc / 8) / 10);
+ if (dig->coherent_mode)
+ args.v3.sInput.ucDispPllConfig |=
+ DISPPLL_CONFIG_COHERENT_MODE;
+ if (is_duallink)
+ args.v3.sInput.ucDispPllConfig |=
+ DISPPLL_CONFIG_DUAL_LINK;
+ }
+ if (radeon_encoder_get_dp_bridge_encoder_id(encoder) !=
+ ENCODER_OBJECT_ID_NONE)
+ args.v3.sInput.ucExtTransmitterID =
+ radeon_encoder_get_dp_bridge_encoder_id(encoder);
+ else
+ args.v3.sInput.ucExtTransmitterID = 0;
+
+ atom_execute_table(rdev->mode_info.atom_context,
+ index, (uint32_t *)&args);
+ adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
+ if (args.v3.sOutput.ucRefDiv) {
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
+ radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv;
+ }
+ if (args.v3.sOutput.ucPostDiv) {
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
+ radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV;
+ radeon_crtc->pll_post_div = args.v3.sOutput.ucPostDiv;
+ }
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return adjusted_clock;
+ }
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return adjusted_clock;
+ }
+ }
+ return adjusted_clock;
+}
+
+union set_pixel_clock {
+ SET_PIXEL_CLOCK_PS_ALLOCATION base;
+ PIXEL_CLOCK_PARAMETERS v1;
+ PIXEL_CLOCK_PARAMETERS_V2 v2;
+ PIXEL_CLOCK_PARAMETERS_V3 v3;
+ PIXEL_CLOCK_PARAMETERS_V5 v5;
+ PIXEL_CLOCK_PARAMETERS_V6 v6;
+};
+
+/* on DCE5, make sure the voltage is high enough to support the
+ * required disp clk.
+ */
+static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev,
+ u32 dispclk)
+{
+ u8 frev, crev;
+ int index;
+ union set_pixel_clock args;
+
+ memset(&args, 0, sizeof(args));
+
+ index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+ &crev))
+ return;
+
+ switch (frev) {
+ case 1:
+ switch (crev) {
+ case 5:
+ /* if the default dcpll clock is specified,
+ * SetPixelClock provides the dividers
+ */
+ args.v5.ucCRTC = ATOM_CRTC_INVALID;
+ args.v5.usPixelClock = cpu_to_le16(dispclk);
+ args.v5.ucPpll = ATOM_DCPLL;
+ break;
+ case 6:
+ /* if the default dcpll clock is specified,
+ * SetPixelClock provides the dividers
+ */
+ args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
+ if (ASIC_IS_DCE61(rdev))
+ args.v6.ucPpll = ATOM_EXT_PLL1;
+ else if (ASIC_IS_DCE6(rdev))
+ args.v6.ucPpll = ATOM_PPLL0;
+ else
+ args.v6.ucPpll = ATOM_DCPLL;
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return;
+ }
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return;
+ }
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_crtc_program_pll(struct drm_crtc *crtc,
+ u32 crtc_id,
+ int pll_id,
+ u32 encoder_mode,
+ u32 encoder_id,
+ u32 clock,
+ u32 ref_div,
+ u32 fb_div,
+ u32 frac_fb_div,
+ u32 post_div,
+ int bpc,
+ bool ss_enabled,
+ struct radeon_atom_ss *ss)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ u8 frev, crev;
+ int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
+ union set_pixel_clock args;
+
+ memset(&args, 0, sizeof(args));
+
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+ &crev))
+ return;
+
+ switch (frev) {
+ case 1:
+ switch (crev) {
+ case 1:
+ if (clock == ATOM_DISABLE)
+ return;
+ args.v1.usPixelClock = cpu_to_le16(clock / 10);
+ args.v1.usRefDiv = cpu_to_le16(ref_div);
+ args.v1.usFbDiv = cpu_to_le16(fb_div);
+ args.v1.ucFracFbDiv = frac_fb_div;
+ args.v1.ucPostDiv = post_div;
+ args.v1.ucPpll = pll_id;
+ args.v1.ucCRTC = crtc_id;
+ args.v1.ucRefDivSrc = 1;
+ break;
+ case 2:
+ args.v2.usPixelClock = cpu_to_le16(clock / 10);
+ args.v2.usRefDiv = cpu_to_le16(ref_div);
+ args.v2.usFbDiv = cpu_to_le16(fb_div);
+ args.v2.ucFracFbDiv = frac_fb_div;
+ args.v2.ucPostDiv = post_div;
+ args.v2.ucPpll = pll_id;
+ args.v2.ucCRTC = crtc_id;
+ args.v2.ucRefDivSrc = 1;
+ break;
+ case 3:
+ args.v3.usPixelClock = cpu_to_le16(clock / 10);
+ args.v3.usRefDiv = cpu_to_le16(ref_div);
+ args.v3.usFbDiv = cpu_to_le16(fb_div);
+ args.v3.ucFracFbDiv = frac_fb_div;
+ args.v3.ucPostDiv = post_div;
+ args.v3.ucPpll = pll_id;
+ if (crtc_id == ATOM_CRTC2)
+ args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2;
+ else
+ args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1;
+ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+ args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC;
+ args.v3.ucTransmitterId = encoder_id;
+ args.v3.ucEncoderMode = encoder_mode;
+ break;
+ case 5:
+ args.v5.ucCRTC = crtc_id;
+ args.v5.usPixelClock = cpu_to_le16(clock / 10);
+ args.v5.ucRefDiv = ref_div;
+ args.v5.usFbDiv = cpu_to_le16(fb_div);
+ args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
+ args.v5.ucPostDiv = post_div;
+ args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
+ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
+ switch (bpc) {
+ case 8:
+ default:
+ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
+ break;
+ case 10:
+ args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
+ break;
+ }
+ args.v5.ucTransmitterID = encoder_id;
+ args.v5.ucEncoderMode = encoder_mode;
+ args.v5.ucPpll = pll_id;
+ break;
+ case 6:
+ args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10);
+ args.v6.ucRefDiv = ref_div;
+ args.v6.usFbDiv = cpu_to_le16(fb_div);
+ args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
+ args.v6.ucPostDiv = post_div;
+ args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
+ if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
+ switch (bpc) {
+ case 8:
+ default:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
+ break;
+ case 10:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
+ break;
+ case 12:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
+ break;
+ case 16:
+ args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
+ break;
+ }
+ args.v6.ucTransmitterID = encoder_id;
+ args.v6.ucEncoderMode = encoder_mode;
+ args.v6.ucPpll = pll_id;
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return;
+ }
+ break;
+ default:
+ DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+ return;
+ }
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder *radeon_encoder =
+ to_radeon_encoder(radeon_crtc->encoder);
+ int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder);
+
+ radeon_crtc->bpc = 8;
+ radeon_crtc->ss_enabled = false;
+
+ if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
+ (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) {
+ struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+ struct drm_connector *connector =
+ radeon_get_connector_for_encoder(radeon_crtc->encoder);
+ struct radeon_connector *radeon_connector =
+ to_radeon_connector(connector);
+ struct radeon_connector_atom_dig *dig_connector =
+ radeon_connector->con_priv;
+ int dp_clock;
+ radeon_crtc->bpc = radeon_get_monitor_bpc(connector);
+
+ switch (encoder_mode) {
+ case ATOM_ENCODER_MODE_DP_MST:
+ case ATOM_ENCODER_MODE_DP:
+ /* DP/eDP */
+ dp_clock = dig_connector->dp_clock / 10;
+ if (ASIC_IS_DCE4(rdev))
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss,
+ ASIC_INTERNAL_SS_ON_DP,
+ dp_clock);
+ else {
+ if (dp_clock == 16200) {
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_ppll_ss_info(rdev,
+ &radeon_crtc->ss,
+ ATOM_DP_SS_ID2);
+ if (!radeon_crtc->ss_enabled)
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_ppll_ss_info(rdev,
+ &radeon_crtc->ss,
+ ATOM_DP_SS_ID1);
+ } else
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_ppll_ss_info(rdev,
+ &radeon_crtc->ss,
+ ATOM_DP_SS_ID1);
+ }
+ break;
+ case ATOM_ENCODER_MODE_LVDS:
+ if (ASIC_IS_DCE4(rdev))
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_asic_ss_info(rdev,
+ &radeon_crtc->ss,
+ dig->lcd_ss_id,
+ mode->clock / 10);
+ else
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_ppll_ss_info(rdev,
+ &radeon_crtc->ss,
+ dig->lcd_ss_id);
+ break;
+ case ATOM_ENCODER_MODE_DVI:
+ if (ASIC_IS_DCE4(rdev))
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_asic_ss_info(rdev,
+ &radeon_crtc->ss,
+ ASIC_INTERNAL_SS_ON_TMDS,
+ mode->clock / 10);
+ break;
+ case ATOM_ENCODER_MODE_HDMI:
+ if (ASIC_IS_DCE4(rdev))
+ radeon_crtc->ss_enabled =
+ radeon_atombios_get_asic_ss_info(rdev,
+ &radeon_crtc->ss,
+ ASIC_INTERNAL_SS_ON_HDMI,
+ mode->clock / 10);
+ break;
+ default:
+ break;
+ }
+ }
+
+ /* adjust pixel clock as needed */
+ radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode);
+
+ return true;
+}
+
+static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder *radeon_encoder =
+ to_radeon_encoder(radeon_crtc->encoder);
+ u32 pll_clock = mode->clock;
+ u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
+ struct radeon_pll *pll;
+ int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder);
+
+ switch (radeon_crtc->pll_id) {
+ case ATOM_PPLL1:
+ pll = &rdev->clock.p1pll;
+ break;
+ case ATOM_PPLL2:
+ pll = &rdev->clock.p2pll;
+ break;
+ case ATOM_DCPLL:
+ case ATOM_PPLL_INVALID:
+ default:
+ pll = &rdev->clock.dcpll;
+ break;
+ }
+
+ /* update pll params */
+ pll->flags = radeon_crtc->pll_flags;
+ pll->reference_div = radeon_crtc->pll_reference_div;
+ pll->post_div = radeon_crtc->pll_post_div;
+
+ if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
+ /* TV seems to prefer the legacy algo on some boards */
+ radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock,
+ &fb_div, &frac_fb_div, &ref_div, &post_div);
+ else if (ASIC_IS_AVIVO(rdev))
+ radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock,
+ &fb_div, &frac_fb_div, &ref_div, &post_div);
+ else
+ radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock,
+ &fb_div, &frac_fb_div, &ref_div, &post_div);
+
+ atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id,
+ radeon_crtc->crtc_id, &radeon_crtc->ss);
+
+ atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
+ encoder_mode, radeon_encoder->encoder_id, mode->clock,
+ ref_div, fb_div, frac_fb_div, post_div,
+ radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss);
+
+ if (radeon_crtc->ss_enabled) {
+ /* calculate ss amount and step size */
+ if (ASIC_IS_DCE4(rdev)) {
+ u32 step_size;
+ u32 amount = (((fb_div * 10) + frac_fb_div) * radeon_crtc->ss.percentage) / 10000;
+ radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
+ radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
+ ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
+ if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
+ step_size = (4 * amount * ref_div * (radeon_crtc->ss.rate * 2048)) /
+ (125 * 25 * pll->reference_freq / 100);
+ else
+ step_size = (2 * amount * ref_div * (radeon_crtc->ss.rate * 2048)) /
+ (125 * 25 * pll->reference_freq / 100);
+ radeon_crtc->ss.step = step_size;
+ }
+
+ atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id,
+ radeon_crtc->crtc_id, &radeon_crtc->ss);
+ }
+}
+
+static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y, int atomic)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_framebuffer *radeon_fb;
+ struct drm_framebuffer *target_fb;
+ struct drm_gem_object *obj;
+ struct radeon_bo *rbo;
+ uint64_t fb_location;
+ uint32_t fb_format, fb_pitch_pixels, tiling_flags;
+ unsigned bankw, bankh, mtaspect, tile_split;
+ u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
+ u32 tmp, viewport_w, viewport_h;
+ int r;
+
+ /* no fb bound */
+ if (!atomic && !crtc->fb) {
+ DRM_DEBUG_KMS("No FB bound\n");
+ return 0;
+ }
+
+ if (atomic) {
+ radeon_fb = to_radeon_framebuffer(fb);
+ target_fb = fb;
+ }
+ else {
+ radeon_fb = to_radeon_framebuffer(crtc->fb);
+ target_fb = crtc->fb;
+ }
+
+ /* If atomic, assume fb object is pinned & idle & fenced and
+ * just update base pointers
+ */
+ obj = radeon_fb->obj;
+ rbo = gem_to_radeon_bo(obj);
+ r = radeon_bo_reserve(rbo, false);
+ if (unlikely(r != 0))
+ return r;
+
+ if (atomic)
+ fb_location = radeon_bo_gpu_offset(rbo);
+ else {
+ r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
+ if (unlikely(r != 0)) {
+ radeon_bo_unreserve(rbo);
+ return -EINVAL;
+ }
+ }
+
+ radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
+ radeon_bo_unreserve(rbo);
+
+ switch (target_fb->bits_per_pixel) {
+ case 8:
+ fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
+ EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
+ break;
+ case 15:
+ fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
+ EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
+ break;
+ case 16:
+ fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
+ EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
+#ifdef __BIG_ENDIAN
+ fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
+#endif
+ break;
+ case 24:
+ case 32:
+ fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
+ EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
+#ifdef __BIG_ENDIAN
+ fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
+#endif
+ break;
+ default:
+ DRM_ERROR("Unsupported screen depth %d\n",
+ target_fb->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ if (tiling_flags & RADEON_TILING_MACRO) {
+ if (rdev->family >= CHIP_TAHITI)
+ tmp = rdev->config.si.tile_config;
+ else if (rdev->family >= CHIP_CAYMAN)
+ tmp = rdev->config.cayman.tile_config;
+ else
+ tmp = rdev->config.evergreen.tile_config;
+
+ switch ((tmp & 0xf0) >> 4) {
+ case 0: /* 4 banks */
+ fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
+ break;
+ case 1: /* 8 banks */
+ default:
+ fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
+ break;
+ case 2: /* 16 banks */
+ fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
+ break;
+ }
+
+ fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
+
+ evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
+ fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split);
+ fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw);
+ fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh);
+ fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect);
+ } else if (tiling_flags & RADEON_TILING_MICRO)
+ fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
+
+ if ((rdev->family == CHIP_TAHITI) ||
+ (rdev->family == CHIP_PITCAIRN))
+ fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
+ else if (rdev->family == CHIP_VERDE)
+ fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16);
+
+ switch (radeon_crtc->crtc_id) {
+ case 0:
+ WREG32(AVIVO_D1VGA_CONTROL, 0);
+ break;
+ case 1:
+ WREG32(AVIVO_D2VGA_CONTROL, 0);
+ break;
+ case 2:
+ WREG32(EVERGREEN_D3VGA_CONTROL, 0);
+ break;
+ case 3:
+ WREG32(EVERGREEN_D4VGA_CONTROL, 0);
+ break;
+ case 4:
+ WREG32(EVERGREEN_D5VGA_CONTROL, 0);
+ break;
+ case 5:
+ WREG32(EVERGREEN_D6VGA_CONTROL, 0);
+ break;
+ default:
+ break;
+ }
+
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
+ upper_32_bits(fb_location));
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
+ upper_32_bits(fb_location));
+ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
+ (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
+ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
+ (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
+ WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
+ WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
+
+ WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
+ WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
+ WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
+ WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
+ WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
+ WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
+
+ fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
+ WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
+ WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
+
+ WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
+ target_fb->height);
+ x &= ~3;
+ y &= ~1;
+ WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
+ (x << 16) | y);
+ viewport_w = crtc->mode.hdisplay;
+ viewport_h = (crtc->mode.vdisplay + 1) & ~1;
+ WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
+ (viewport_w << 16) | viewport_h);
+
+ /* pageflip setup */
+ /* make sure flip is at vb rather than hb */
+ tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
+ tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
+ WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
+
+ /* set pageflip to happen anywhere in vblank interval */
+ WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
+
+ if (!atomic && fb && fb != crtc->fb) {
+ radeon_fb = to_radeon_framebuffer(fb);
+ rbo = gem_to_radeon_bo(radeon_fb->obj);
+ r = radeon_bo_reserve(rbo, false);
+ if (unlikely(r != 0))
+ return r;
+ radeon_bo_unpin(rbo);
+ radeon_bo_unreserve(rbo);
+ }
+
+ /* Bytes per pixel may have changed */
+ radeon_bandwidth_update(rdev);
+
+ return 0;
+}
+
+static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y, int atomic)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_framebuffer *radeon_fb;
+ struct drm_gem_object *obj;
+ struct radeon_bo *rbo;
+ struct drm_framebuffer *target_fb;
+ uint64_t fb_location;
+ uint32_t fb_format, fb_pitch_pixels, tiling_flags;
+ u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
+ u32 tmp, viewport_w, viewport_h;
+ int r;
+
+ /* no fb bound */
+ if (!atomic && !crtc->fb) {
+ DRM_DEBUG_KMS("No FB bound\n");
+ return 0;
+ }
+
+ if (atomic) {
+ radeon_fb = to_radeon_framebuffer(fb);
+ target_fb = fb;
+ }
+ else {
+ radeon_fb = to_radeon_framebuffer(crtc->fb);
+ target_fb = crtc->fb;
+ }
+
+ obj = radeon_fb->obj;
+ rbo = gem_to_radeon_bo(obj);
+ r = radeon_bo_reserve(rbo, false);
+ if (unlikely(r != 0))
+ return r;
+
+ /* If atomic, assume fb object is pinned & idle & fenced and
+ * just update base pointers
+ */
+ if (atomic)
+ fb_location = radeon_bo_gpu_offset(rbo);
+ else {
+ r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
+ if (unlikely(r != 0)) {
+ radeon_bo_unreserve(rbo);
+ return -EINVAL;
+ }
+ }
+ radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
+ radeon_bo_unreserve(rbo);
+
+ switch (target_fb->bits_per_pixel) {
+ case 8:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
+ AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
+ break;
+ case 15:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
+ AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
+ break;
+ case 16:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
+ AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
+#ifdef __BIG_ENDIAN
+ fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
+#endif
+ break;
+ case 24:
+ case 32:
+ fb_format =
+ AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
+ AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
+#ifdef __BIG_ENDIAN
+ fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
+#endif
+ break;
+ default:
+ DRM_ERROR("Unsupported screen depth %d\n",
+ target_fb->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ if (rdev->family >= CHIP_R600) {
+ if (tiling_flags & RADEON_TILING_MACRO)
+ fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
+ else if (tiling_flags & RADEON_TILING_MICRO)
+ fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
+ } else {
+ if (tiling_flags & RADEON_TILING_MACRO)
+ fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
+
+ if (tiling_flags & RADEON_TILING_MICRO)
+ fb_format |= AVIVO_D1GRPH_TILED;
+ }
+
+ if (radeon_crtc->crtc_id == 0)
+ WREG32(AVIVO_D1VGA_CONTROL, 0);
+ else
+ WREG32(AVIVO_D2VGA_CONTROL, 0);
+
+ if (rdev->family >= CHIP_RV770) {
+ if (radeon_crtc->crtc_id) {
+ WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
+ WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
+ } else {
+ WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
+ WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
+ }
+ }
+ WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
+ (u32) fb_location);
+ WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
+ radeon_crtc->crtc_offset, (u32) fb_location);
+ WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
+ if (rdev->family >= CHIP_R600)
+ WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
+
+ WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
+ WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
+ WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
+
+ fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
+ WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
+ WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
+
+ WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
+ target_fb->height);
+ x &= ~3;
+ y &= ~1;
+ WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
+ (x << 16) | y);
+ viewport_w = crtc->mode.hdisplay;
+ viewport_h = (crtc->mode.vdisplay + 1) & ~1;
+ WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
+ (viewport_w << 16) | viewport_h);
+
+ /* pageflip setup */
+ /* make sure flip is at vb rather than hb */
+ tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
+ tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
+ WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
+
+ /* set pageflip to happen anywhere in vblank interval */
+ WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
+
+ if (!atomic && fb && fb != crtc->fb) {
+ radeon_fb = to_radeon_framebuffer(fb);
+ rbo = gem_to_radeon_bo(radeon_fb->obj);
+ r = radeon_bo_reserve(rbo, false);
+ if (unlikely(r != 0))
+ return r;
+ radeon_bo_unpin(rbo);
+ radeon_bo_unreserve(rbo);
+ }
+
+ /* Bytes per pixel may have changed */
+ radeon_bandwidth_update(rdev);
+
+ return 0;
+}
+
+int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ if (ASIC_IS_DCE4(rdev))
+ return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
+ else if (ASIC_IS_AVIVO(rdev))
+ return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
+ else
+ return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
+}
+
+int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y, enum mode_set_atomic state)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ if (ASIC_IS_DCE4(rdev))
+ return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
+ else if (ASIC_IS_AVIVO(rdev))
+ return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
+ else
+ return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
+}
+
+/* properly set additional regs when using atombios */
+static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ u32 disp_merge_cntl;
+
+ switch (radeon_crtc->crtc_id) {
+ case 0:
+ disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
+ disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
+ WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
+ break;
+ case 1:
+ disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
+ disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
+ WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
+ WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
+ WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
+ break;
+ }
+}
+
+/**
+ * radeon_get_pll_use_mask - look up a mask of which pplls are in use
+ *
+ * @crtc: drm crtc
+ *
+ * Returns the mask of which PPLLs (Pixel PLLs) are in use.
+ */
+static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_crtc *test_crtc;
+ struct radeon_crtc *test_radeon_crtc;
+ u32 pll_in_use = 0;
+
+ list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
+ if (crtc == test_crtc)
+ continue;
+
+ test_radeon_crtc = to_radeon_crtc(test_crtc);
+ if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
+ pll_in_use |= (1 << test_radeon_crtc->pll_id);
+ }
+ return pll_in_use;
+}
+
+/**
+ * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP
+ *
+ * @crtc: drm crtc
+ *
+ * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is
+ * also in DP mode. For DP, a single PPLL can be used for all DP
+ * crtcs/encoders.
+ */
+static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_crtc *test_crtc;
+ struct radeon_crtc *test_radeon_crtc;
+
+ list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
+ if (crtc == test_crtc)
+ continue;
+ test_radeon_crtc = to_radeon_crtc(test_crtc);
+ if (test_radeon_crtc->encoder &&
+ ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
+ /* for DP use the same PLL for all */
+ if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
+ return test_radeon_crtc->pll_id;
+ }
+ }
+ return ATOM_PPLL_INVALID;
+}
+
+/**
+ * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc
+ *
+ * @crtc: drm crtc
+ * @encoder: drm encoder
+ *
+ * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can
+ * be shared (i.e., same clock).
+ */
+static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct drm_crtc *test_crtc;
+ struct radeon_crtc *test_radeon_crtc;
+ u32 adjusted_clock, test_adjusted_clock;
+
+ adjusted_clock = radeon_crtc->adjusted_clock;
+
+ if (adjusted_clock == 0)
+ return ATOM_PPLL_INVALID;
+
+ list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
+ if (crtc == test_crtc)
+ continue;
+ test_radeon_crtc = to_radeon_crtc(test_crtc);
+ if (test_radeon_crtc->encoder &&
+ !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
+ /* check if we are already driving this connector with another crtc */
+ if (test_radeon_crtc->connector == radeon_crtc->connector) {
+ /* if we are, return that pll */
+ if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
+ return test_radeon_crtc->pll_id;
+ }
+ /* for non-DP check the clock */
+ test_adjusted_clock = test_radeon_crtc->adjusted_clock;
+ if ((crtc->mode.clock == test_crtc->mode.clock) &&
+ (adjusted_clock == test_adjusted_clock) &&
+ (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) &&
+ (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID))
+ return test_radeon_crtc->pll_id;
+ }
+ }
+ return ATOM_PPLL_INVALID;
+}
+
+/**
+ * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc.
+ *
+ * @crtc: drm crtc
+ *
+ * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
+ * a single PPLL can be used for all DP crtcs/encoders. For non-DP
+ * monitors a dedicated PPLL must be used. If a particular board has
+ * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
+ * as there is no need to program the PLL itself. If we are not able to
+ * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
+ * avoid messing up an existing monitor.
+ *
+ * Asic specific PLL information
+ *
+ * DCE 6.1
+ * - PPLL2 is only available to UNIPHYA (both DP and non-DP)
+ * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP)
+ *
+ * DCE 6.0
+ * - PPLL0 is available to all UNIPHY (DP only)
+ * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
+ *
+ * DCE 5.0
+ * - DCPLL is available to all UNIPHY (DP only)
+ * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
+ *
+ * DCE 3.0/4.0/4.1
+ * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
+ *
+ */
+static int radeon_atom_pick_pll(struct drm_crtc *crtc)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder *radeon_encoder =
+ to_radeon_encoder(radeon_crtc->encoder);
+ u32 pll_in_use;
+ int pll;
+
+ if (ASIC_IS_DCE61(rdev)) {
+ struct radeon_encoder_atom_dig *dig =
+ radeon_encoder->enc_priv;
+
+ if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) &&
+ (dig->linkb == false))
+ /* UNIPHY A uses PPLL2 */
+ return ATOM_PPLL2;
+ else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
+ /* UNIPHY B/C/D/E/F */
+ if (rdev->clock.dp_extclk)
+ /* skip PPLL programming if using ext clock */
+ return ATOM_PPLL_INVALID;
+ else {
+ /* use the same PPLL for all DP monitors */
+ pll = radeon_get_shared_dp_ppll(crtc);
+ if (pll != ATOM_PPLL_INVALID)
+ return pll;
+ }
+ } else {
+ /* use the same PPLL for all monitors with the same clock */
+ pll = radeon_get_shared_nondp_ppll(crtc);
+ if (pll != ATOM_PPLL_INVALID)
+ return pll;
+ }
+ /* UNIPHY B/C/D/E/F */
+ pll_in_use = radeon_get_pll_use_mask(crtc);
+ if (!(pll_in_use & (1 << ATOM_PPLL0)))
+ return ATOM_PPLL0;
+ if (!(pll_in_use & (1 << ATOM_PPLL1)))
+ return ATOM_PPLL1;
+ DRM_ERROR("unable to allocate a PPLL\n");
+ return ATOM_PPLL_INVALID;
+ } else if (ASIC_IS_DCE4(rdev)) {
+ /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
+ * depending on the asic:
+ * DCE4: PPLL or ext clock
+ * DCE5: PPLL, DCPLL, or ext clock
+ * DCE6: PPLL, PPLL0, or ext clock
+ *
+ * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip
+ * PPLL/DCPLL programming and only program the DP DTO for the
+ * crtc virtual pixel clock.
+ */
+ if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
+ if (rdev->clock.dp_extclk)
+ /* skip PPLL programming if using ext clock */
+ return ATOM_PPLL_INVALID;
+ else if (ASIC_IS_DCE6(rdev))
+ /* use PPLL0 for all DP */
+ return ATOM_PPLL0;
+ else if (ASIC_IS_DCE5(rdev))
+ /* use DCPLL for all DP */
+ return ATOM_DCPLL;
+ else {
+ /* use the same PPLL for all DP monitors */
+ pll = radeon_get_shared_dp_ppll(crtc);
+ if (pll != ATOM_PPLL_INVALID)
+ return pll;
+ }
+ } else {
+ /* use the same PPLL for all monitors with the same clock */
+ pll = radeon_get_shared_nondp_ppll(crtc);
+ if (pll != ATOM_PPLL_INVALID)
+ return pll;
+ }
+ /* all other cases */
+ pll_in_use = radeon_get_pll_use_mask(crtc);
+ if (!(pll_in_use & (1 << ATOM_PPLL1)))
+ return ATOM_PPLL1;
+ if (!(pll_in_use & (1 << ATOM_PPLL2)))
+ return ATOM_PPLL2;
+ DRM_ERROR("unable to allocate a PPLL\n");
+ return ATOM_PPLL_INVALID;
+ } else {
+ /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */
+ /* some atombios (observed in some DCE2/DCE3) code have a bug,
+ * the matching btw pll and crtc is done through
+ * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the
+ * pll (1 or 2) to select which register to write. ie if using
+ * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2
+ * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to
+ * choose which value to write. Which is reverse order from
+ * register logic. So only case that works is when pllid is
+ * same as crtcid or when both pll and crtc are enabled and
+ * both use same clock.
+ *
+ * So just return crtc id as if crtc and pll were hard linked
+ * together even if they aren't
+ */
+ return radeon_crtc->crtc_id;
+ }
+}
+
+void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev)
+{
+ /* always set DCPLL */
+ if (ASIC_IS_DCE6(rdev))
+ atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
+ else if (ASIC_IS_DCE4(rdev)) {
+ struct radeon_atom_ss ss;
+ bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
+ ASIC_INTERNAL_SS_ON_DCPLL,
+ rdev->clock.default_dispclk);
+ if (ss_enabled)
+ atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss);
+ /* XXX: DCE5, make sure voltage, dispclk is high enough */
+ atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
+ if (ss_enabled)
+ atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss);
+ }
+
+}
+
+int atombios_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y, struct drm_framebuffer *old_fb)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_encoder *radeon_encoder =
+ to_radeon_encoder(radeon_crtc->encoder);
+ bool is_tvcv = false;
+
+ if (radeon_encoder->active_device &
+ (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
+ is_tvcv = true;
+
+ atombios_crtc_set_pll(crtc, adjusted_mode);
+
+ if (ASIC_IS_DCE4(rdev))
+ atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
+ else if (ASIC_IS_AVIVO(rdev)) {
+ if (is_tvcv)
+ atombios_crtc_set_timing(crtc, adjusted_mode);
+ else
+ atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
+ } else {
+ atombios_crtc_set_timing(crtc, adjusted_mode);
+ if (radeon_crtc->crtc_id == 0)
+ atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
+ radeon_legacy_atom_fixup(crtc);
+ }
+ atombios_crtc_set_base(crtc, x, y, old_fb);
+ atombios_overscan_setup(crtc, mode, adjusted_mode);
+ atombios_scaler_setup(crtc);
+ return 0;
+}
+
+static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct drm_encoder *encoder;
+
+ /* assign the encoder to the radeon crtc to avoid repeated lookups later */
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ radeon_crtc->encoder = encoder;
+ radeon_crtc->connector = radeon_get_connector_for_encoder(encoder);
+ break;
+ }
+ }
+ if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) {
+ radeon_crtc->encoder = NULL;
+ radeon_crtc->connector = NULL;
+ return false;
+ }
+ if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
+ return false;
+ if (!atombios_crtc_prepare_pll(crtc, adjusted_mode))
+ return false;
+ /* pick pll */
+ radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
+ /* if we can't get a PPLL for a non-DP encoder, fail */
+ if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) &&
+ !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder)))
+ return false;
+
+ return true;
+}
+
+static void atombios_crtc_prepare(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+
+ /* disable crtc pair power gating before programming */
+ if (ASIC_IS_DCE6(rdev))
+ atombios_powergate_crtc(crtc, ATOM_DISABLE);
+
+ atombios_lock_crtc(crtc, ATOM_ENABLE);
+ atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+}
+
+static void atombios_crtc_commit(struct drm_crtc *crtc)
+{
+ atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+ atombios_lock_crtc(crtc, ATOM_DISABLE);
+}
+
+static void atombios_crtc_disable(struct drm_crtc *crtc)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_atom_ss ss;
+ int i;
+
+ atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ if (ASIC_IS_DCE6(rdev))
+ atombios_powergate_crtc(crtc, ATOM_ENABLE);
+
+ for (i = 0; i < rdev->num_crtc; i++) {
+ if (rdev->mode_info.crtcs[i] &&
+ rdev->mode_info.crtcs[i]->enabled &&
+ i != radeon_crtc->crtc_id &&
+ radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) {
+ /* one other crtc is using this pll don't turn
+ * off the pll
+ */
+ goto done;
+ }
+ }
+
+ switch (radeon_crtc->pll_id) {
+ case ATOM_PPLL1:
+ case ATOM_PPLL2:
+ /* disable the ppll */
+ atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
+ 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
+ break;
+ case ATOM_PPLL0:
+ /* disable the ppll */
+ if (ASIC_IS_DCE61(rdev))
+ atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
+ 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
+ break;
+ default:
+ break;
+ }
+done:
+ radeon_crtc->pll_id = ATOM_PPLL_INVALID;
+ radeon_crtc->adjusted_clock = 0;
+ radeon_crtc->encoder = NULL;
+ radeon_crtc->connector = NULL;
+}
+
+static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
+ .dpms = atombios_crtc_dpms,
+ .mode_fixup = atombios_crtc_mode_fixup,
+ .mode_set = atombios_crtc_mode_set,
+ .mode_set_base = atombios_crtc_set_base,
+ .mode_set_base_atomic = atombios_crtc_set_base_atomic,
+ .prepare = atombios_crtc_prepare,
+ .commit = atombios_crtc_commit,
+ .load_lut = radeon_crtc_load_lut,
+ .disable = atombios_crtc_disable,
+};
+
+void radeon_atombios_init_crtc(struct drm_device *dev,
+ struct radeon_crtc *radeon_crtc)
+{
+ struct radeon_device *rdev = dev->dev_private;
+
+ if (ASIC_IS_DCE4(rdev)) {
+ switch (radeon_crtc->crtc_id) {
+ case 0:
+ default:
+ radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
+ break;
+ case 1:
+ radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
+ break;
+ case 2:
+ radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
+ break;
+ case 3:
+ radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
+ break;
+ case 4:
+ radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
+ break;
+ case 5:
+ radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
+ break;
+ }
+ } else {
+ if (radeon_crtc->crtc_id == 1)
+ radeon_crtc->crtc_offset =
+ AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
+ else
+ radeon_crtc->crtc_offset = 0;
+ }
+ radeon_crtc->pll_id = ATOM_PPLL_INVALID;
+ radeon_crtc->adjusted_clock = 0;
+ radeon_crtc->encoder = NULL;
+ radeon_crtc->connector = NULL;
+ drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 16:23:01 +0000