From: Sonika Jindal Date: Sat, 4 Oct 2014 09:53:31 +0000 (+0100) Subject: drm/i915/skl: Add 180 degree HW rotation support X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1447dde094c1ebe90289949b4735f8d6ed2f2c08;p=linux-beck.git drm/i915/skl: Add 180 degree HW rotation support Add support for 180 degree rotation for primary and sprite planes Signed-off-by: Sonika Jindal Reviewed-by: Damien Lespiau Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a56d9a7e7e0e..6db369a91ee9 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 d6fc469d60a6..6e6f1505592a 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2694,6 +2694,8 @@ 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 750b634d45ec..2c060addea29 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;