From: Sonika Jindal <sonika.jin...@intel.com>
Add support for 180 degree rotation for primary and sprite planes
Signed-off-by: Sonika Jindal <sonika.jin...@intel.com>
---
drivers/gpu/drm/i915/i915_reg.h | 3 +++
drivers/gpu/drm/i915/intel_display.c | 2 ++
drivers/gpu/drm/i915/intel_sprite.c | 3 +++
3 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a56d9a7..6db369a 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4579,6 +4579,9 @@ enum punit_power_well {
#define PLANE_CTL_ALPHA_DISABLE ( 0 << 4)
#define PLANE_CTL_ALPHA_SW_PREMULTIPLY ( 2 << 4)
#define PLANE_CTL_ALPHA_HW_PREMULTIPLY ( 3 << 4)
+#define PLANE_CTL_ROTATE_MASK 0x3
+#define PLANE_CTL_ROTATE_0 0x0
+#define PLANE_CTL_ROTATE_180 0x2
#define _PLANE_STRIDE_1_A 0x70188
#define _PLANE_STRIDE_2_A 0x70288
#define _PLANE_STRIDE_3_A 0x70388
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index c51d950..c496571 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2697,6 +2697,8 @@ static void skylake_update_primary_plane(struct drm_crtc
*crtc,
}
plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE;
+ if (to_intel_plane(crtc->primary)->rotation == BIT(DRM_ROTATE_180))
+ plane_ctl |= PLANE_CTL_ROTATE_180;
I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl);
diff --git a/drivers/gpu/drm/i915/intel_sprite.c
b/drivers/gpu/drm/i915/intel_sprite.c
index 750b634..2c060ad 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -162,6 +162,7 @@ skl_update_plane(struct drm_plane *drm_plane, struct
drm_crtc *crtc,
plane_ctl &= ~PLANE_CTL_YUV422_ORDER_MASK;
plane_ctl &= ~PLANE_CTL_TILED_MASK;
plane_ctl &= ~PLANE_CTL_ALPHA_MASK;
+ plane_ctl &= ~PLANE_CTL_ROTATE_MASK;
/* Trickle feed has to be enabled */
plane_ctl &= ~PLANE_CTL_TRICKLE_FEED_DISABLE;
@@ -217,6 +218,8 @@ skl_update_plane(struct drm_plane *drm_plane, struct
drm_crtc *crtc,
default:
BUG();
}
+ if (intel_plane->rotation == BIT(DRM_ROTATE_180))
+ plane_ctl |= PLANE_CTL_ROTATE_180;
plane_ctl |= PLANE_CTL_ENABLE;
plane_ctl |= PLANE_CTL_PIPE_CSC_ENABLE;
--
1.8.3.1
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