From: Joonas Lahtinen <[email protected]> CNL supports horizontal plane flipping on non-linear plane formats.
v2: - Avoid BUG unlike elsewhere in the code (Ville) - Hoist the rotation-tiling restriction check (Ville) Bspec: 7656 Suggested-by: Anusha Srivatsa <[email protected]> Cc: Ville Syrjala <[email protected]> Cc: Rodrigo Vivi <[email protected]> Cc: Anusha Srivatsa <[email protected]> Signed-off-by: Joonas Lahtinen <[email protected]> Reviewed-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_display.c | 39 +++++++++++++++++++++++++++++++----- 2 files changed, 35 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index d4ecb1905ad8..d7621622b58b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6268,6 +6268,7 @@ enum { #define PLANE_CTL_TILED_X ( 1 << 10) #define PLANE_CTL_TILED_Y ( 4 << 10) #define PLANE_CTL_TILED_YF ( 5 << 10) +#define PLANE_CTL_FLIP_HORIZONTAL ( 1 << 8) #define PLANE_CTL_ALPHA_MASK (0x3 << 4) #define PLANE_CTL_ALPHA_DISABLE ( 0 << 4) #define PLANE_CTL_ALPHA_SW_PREMULTIPLY ( 2 << 4) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 3b95cf953335..e312096273c0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3139,6 +3139,12 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state) unsigned int rotation = plane_state->base.rotation; int ret; + if (rotation & DRM_MODE_REFLECT_X && + fb->modifier == DRM_FORMAT_MOD_LINEAR) { + DRM_DEBUG_KMS("horizontal flip is not supported with linear surface formats\n"); + return -EINVAL; + } + if (!plane_state->base.visible) return 0; @@ -3480,9 +3486,9 @@ static u32 skl_plane_ctl_tiling(uint64_t fb_modifier) return 0; } -static u32 skl_plane_ctl_rotation(unsigned int rotation) +static u32 skl_plane_ctl_rotate(unsigned int rotate) { - switch (rotation) { + switch (rotate) { case DRM_MODE_ROTATE_0: break; /* @@ -3496,7 +3502,22 @@ static u32 skl_plane_ctl_rotation(unsigned int rotation) case DRM_MODE_ROTATE_270: return PLANE_CTL_ROTATE_90; default: - MISSING_CASE(rotation); + MISSING_CASE(rotate); + } + + return 0; +} + +static u32 cnl_plane_ctl_flip(unsigned int reflect) +{ + switch (reflect) { + case 0: + break; + case DRM_MODE_REFLECT_X: + return PLANE_CTL_FLIP_HORIZONTAL; + case DRM_MODE_REFLECT_Y: + default: + MISSING_CASE(reflect); } return 0; @@ -3523,7 +3544,10 @@ u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, plane_ctl |= skl_plane_ctl_format(fb->format->format); plane_ctl |= skl_plane_ctl_tiling(fb->modifier); - plane_ctl |= skl_plane_ctl_rotation(rotation); + plane_ctl |= skl_plane_ctl_rotate(rotation & DRM_MODE_ROTATE_MASK); + + if (INTEL_GEN(dev_priv) >= 10) + plane_ctl |= cnl_plane_ctl_flip(rotation & DRM_MODE_REFLECT_MASK); if (key->flags & I915_SET_COLORKEY_DESTINATION) plane_ctl |= PLANE_CTL_KEY_ENABLE_DESTINATION; @@ -13249,7 +13273,12 @@ intel_primary_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe) if (ret) goto fail; - if (INTEL_GEN(dev_priv) >= 9) { + if (INTEL_GEN(dev_priv) >= 10) { + supported_rotations = + DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | + DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270 | + DRM_MODE_REFLECT_X; + } else if (INTEL_GEN(dev_priv) >= 9) { supported_rotations = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270; -- 2.13.2 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
