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Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0171-drm-vc4-Set-up-SCALER_DISPCTRL-at-boot.patch')
-rw-r--r--target/linux/brcm2708/patches-4.9/950-0171-drm-vc4-Set-up-SCALER_DISPCTRL-at-boot.patch58
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0171-drm-vc4-Set-up-SCALER_DISPCTRL-at-boot.patch b/target/linux/brcm2708/patches-4.9/950-0171-drm-vc4-Set-up-SCALER_DISPCTRL-at-boot.patch
deleted file mode 100644
index 1a425cac00..0000000000
--- a/target/linux/brcm2708/patches-4.9/950-0171-drm-vc4-Set-up-SCALER_DISPCTRL-at-boot.patch
+++ /dev/null
@@ -1,58 +0,0 @@
-From e79b86a0c5ccd0e8c16e31b2d494d43e997253d1 Mon Sep 17 00:00:00 2001
-From: Eric Anholt <eric@anholt.net>
-Date: Thu, 15 Sep 2016 15:25:23 +0100
-Subject: [PATCH] drm/vc4: Set up SCALER_DISPCTRL at boot.
-
-We want the HVS on, obviously, and we also want DSP3 (PV1's source) to
-be muxed from HVS channel 2 like we expect in vc4_crtc.c. The
-firmware wasn't setting the DSP3 mux up when both the LCD and HDMI
-were disabled.
-
-Signed-off-by: Eric Anholt <eric@anholt.net>
----
- drivers/gpu/drm/vc4/vc4_hvs.c | 14 ++++++++++++++
- drivers/gpu/drm/vc4/vc4_regs.h | 3 +++
- 2 files changed, 17 insertions(+)
-
---- a/drivers/gpu/drm/vc4/vc4_hvs.c
-+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
-@@ -170,6 +170,7 @@ static int vc4_hvs_bind(struct device *d
- struct vc4_dev *vc4 = drm->dev_private;
- struct vc4_hvs *hvs = NULL;
- int ret;
-+ u32 dispctrl;
-
- hvs = devm_kzalloc(&pdev->dev, sizeof(*hvs), GFP_KERNEL);
- if (!hvs)
-@@ -211,6 +212,19 @@ static int vc4_hvs_bind(struct device *d
- return ret;
-
- vc4->hvs = hvs;
-+
-+ dispctrl = HVS_READ(SCALER_DISPCTRL);
-+
-+ dispctrl |= SCALER_DISPCTRL_ENABLE;
-+
-+ /* Set DSP3 (PV1) to use HVS channel 2, which would otherwise
-+ * be unused.
-+ */
-+ dispctrl &= ~SCALER_DISPCTRL_DSP3_MUX_MASK;
-+ dispctrl |= VC4_SET_FIELD(2, SCALER_DISPCTRL_DSP3_MUX);
-+
-+ HVS_WRITE(SCALER_DISPCTRL, dispctrl);
-+
- return 0;
- }
-
---- a/drivers/gpu/drm/vc4/vc4_regs.h
-+++ b/drivers/gpu/drm/vc4/vc4_regs.h
-@@ -244,6 +244,9 @@
- # define SCALER_DISPCTRL_ENABLE BIT(31)
- # define SCALER_DISPCTRL_DSP2EISLUR BIT(15)
- # define SCALER_DISPCTRL_DSP1EISLUR BIT(14)
-+# define SCALER_DISPCTRL_DSP3_MUX_MASK VC4_MASK(19, 18)
-+# define SCALER_DISPCTRL_DSP3_MUX_SHIFT 18
-+
- /* Enables Display 0 short line and underrun contribution to
- * SCALER_DISPSTAT_IRQDISP0. Note that short frame contributions are
- * always enabled.