diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0099-drm-vc4-Add-support-for-setting-DPMS-in-firmwarekms.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0099-drm-vc4-Add-support-for-setting-DPMS-in-firmwarekms.patch | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0099-drm-vc4-Add-support-for-setting-DPMS-in-firmwarekms.patch b/target/linux/bcm27xx/patches-5.4/950-0099-drm-vc4-Add-support-for-setting-DPMS-in-firmwarekms.patch deleted file mode 100644 index 8ae5263665..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0099-drm-vc4-Add-support-for-setting-DPMS-in-firmwarekms.patch +++ /dev/null @@ -1,103 +0,0 @@ -From cf220c46a5068bc7b4996590ce5849df5fee341e Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Thu, 6 Jul 2017 11:45:48 -0700 -Subject: [PATCH] drm/vc4: Add support for setting DPMS in firmwarekms. - -This ensures that the screen goes blank during DPMS (screensaver), -including the cursor. Planes don't necessarily get disabled during -CRTC disable, so we need to be careful to not leave them on or turn -them back on early. - -Signed-off-by: Eric Anholt <eric@anholt.net> ---- - drivers/gpu/drm/vc4/vc4_firmware_kms.c | 40 ++++++++++++++++++++++++-- - 1 file changed, 37 insertions(+), 3 deletions(-) - ---- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c -+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c -@@ -36,6 +36,8 @@ struct vc4_crtc { - struct drm_crtc base; - struct drm_encoder *encoder; - struct drm_connector *connector; -+ struct drm_plane *primary; -+ struct drm_plane *cursor; - void __iomem *regs; - - struct drm_pending_vblank_event *event; -@@ -123,8 +125,6 @@ static void vc4_primary_plane_atomic_upd - u32 bpp = 32; - int ret; - -- vc4_plane_set_primary_blank(plane, false); -- - fbinfo->xres = state->crtc_w; - fbinfo->yres = state->crtc_h; - fbinfo->xres_virtual = state->crtc_w; -@@ -168,6 +168,12 @@ static void vc4_primary_plane_atomic_upd - vc4_plane->fbinfo_bus_addr); - WARN_ON_ONCE(fbinfo->pitch != fb->pitches[0]); - WARN_ON_ONCE(fbinfo->base != bo->paddr + fb->offsets[0]); -+ -+ /* If the CRTC is on (or going to be on) and we're enabled, -+ * then unblank. Otherwise, stay blank until CRTC enable. -+ */ -+ if (state->crtc->state->active) -+ vc4_plane_set_primary_blank(plane, false); - } - - static void vc4_primary_plane_atomic_disable(struct drm_plane *plane, -@@ -184,7 +190,12 @@ static void vc4_cursor_plane_atomic_upda - struct drm_framebuffer *fb = state->fb; - struct drm_gem_cma_object *bo = drm_fb_cma_get_gem_obj(fb, 0); - int ret; -- u32 packet_state[] = { true, state->crtc_x, state->crtc_y, 0 }; -+ u32 packet_state[] = { -+ state->crtc->state->active, -+ state->crtc_x, -+ state->crtc_y, -+ 0 -+ }; - u32 packet_info[] = { state->crtc_w, state->crtc_h, - 0, /* unused */ - bo->paddr + fb->offsets[0], -@@ -321,10 +332,30 @@ static void vc4_crtc_mode_set_nofb(struc - - static void vc4_crtc_disable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) - { -+ struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); -+ -+ /* Always turn the planes off on CRTC disable. In DRM, planes -+ * are enabled/disabled through the update/disable hooks -+ * above, and the CRTC enable/disable independently controls -+ * whether anything scans out at all, but the firmware doesn't -+ * give us a CRTC-level control for that. -+ */ -+ vc4_cursor_plane_atomic_disable(vc4_crtc->cursor, -+ vc4_crtc->cursor->state); -+ vc4_plane_set_primary_blank(vc4_crtc->primary, true); - } - - static void vc4_crtc_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state) - { -+ struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc); -+ -+ /* Unblank the planes (if they're supposed to be displayed). */ -+ if (vc4_crtc->primary->state->fb) -+ vc4_plane_set_primary_blank(vc4_crtc->primary, false); -+ if (vc4_crtc->cursor->state->fb) { -+ vc4_cursor_plane_atomic_update(vc4_crtc->cursor, -+ vc4_crtc->cursor->state); -+ } - } - - static int vc4_crtc_atomic_check(struct drm_crtc *crtc, -@@ -618,6 +649,9 @@ static int vc4_fkms_bind(struct device * - primary_plane->crtc = crtc; - cursor_plane->crtc = crtc; - -+ vc4_crtc->primary = primary_plane; -+ vc4_crtc->cursor = cursor_plane; -+ - vc4_encoder = devm_kzalloc(dev, sizeof(*vc4_encoder), GFP_KERNEL); - if (!vc4_encoder) - return -ENOMEM; |