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path: root/drivers/gpu/drm/i915/intel_sprite.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_sprite.c')
-rw-r--r--drivers/gpu/drm/i915/intel_sprite.c61
1 files changed, 46 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 3025c609d688..36798ca1b8bb 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -352,30 +352,45 @@ chv_update_csc(const struct intel_plane_state *plane_state)
struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
const struct drm_framebuffer *fb = plane_state->base.fb;
enum plane_id plane_id = plane->id;
+ /*
+ * |r| | c0 c1 c2 | |cr|
+ * |g| = | c3 c4 c5 | x |y |
+ * |b| | c6 c7 c8 | |cb|
+ *
+ * Coefficients are s3.12.
+ *
+ * Cb and Cr apparently come in as signed already, and
+ * we always get full range data in on account of CLRC0/1.
+ */
+ static const s16 csc_matrix[][9] = {
+ /* BT.601 full range YCbCr -> full range RGB */
+ [DRM_COLOR_YCBCR_BT601] = {
+ 5743, 4096, 0,
+ -2925, 4096, -1410,
+ 0, 4096, 7258,
+ },
+ /* BT.709 full range YCbCr -> full range RGB */
+ [DRM_COLOR_YCBCR_BT709] = {
+ 6450, 4096, 0,
+ -1917, 4096, -767,
+ 0, 4096, 7601,
+ },
+ };
+ const s16 *csc = csc_matrix[plane_state->base.color_encoding];
/* Seems RGB data bypasses the CSC always */
if (!intel_format_is_yuv(fb->format->format))
return;
- /*
- * BT.601 full range YCbCr -> full range RGB
- *
- * |r| | 5743 4096 0| |cr|
- * |g| = |-2925 4096 -1410| x |y |
- * |b| | 0 4096 7258| |cb|
- *
- * Cb and Cr apparently come in as signed already,
- * and we get full range data in on account of CLRC0/1
- */
I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
I915_WRITE_FW(SPCSCCBOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
I915_WRITE_FW(SPCSCCROFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(0));
- I915_WRITE_FW(SPCSCC01(plane_id), SPCSC_C1(4096) | SPCSC_C0(5743));
- I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(-2925) | SPCSC_C0(0));
- I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(-1410) | SPCSC_C0(4096));
- I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(4096) | SPCSC_C0(0));
- I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(7258));
+ I915_WRITE_FW(SPCSCC01(plane_id), SPCSC_C1(csc[1]) | SPCSC_C0(csc[0]));
+ I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(csc[3]) | SPCSC_C0(csc[2]));
+ I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(csc[5]) | SPCSC_C0(csc[4]));
+ I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(csc[7]) | SPCSC_C0(csc[6]));
+ I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(csc[8]));
I915_WRITE_FW(SPCSCYGICLAMP(plane_id), SPCSC_IMAX(1023) | SPCSC_IMIN(0));
I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512));
@@ -476,6 +491,9 @@ static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
return 0;
}
+ if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
+ sprctl |= SP_YUV_FORMAT_BT709;
+
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SP_TILED;
@@ -629,6 +647,9 @@ static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
return 0;
}
+ if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
+ sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709;
+
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SPRITE_TILED;
@@ -785,6 +806,9 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
return 0;
}
+ if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
+ dvscntr |= DVS_YUV_FORMAT_BT709;
+
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
dvscntr |= DVS_TILED;
@@ -1501,6 +1525,13 @@ intel_sprite_plane_create(struct drm_i915_private *dev_priv,
DRM_MODE_ROTATE_0,
supported_rotations);
+ drm_plane_create_color_properties(&intel_plane->base,
+ BIT(DRM_COLOR_YCBCR_BT601) |
+ BIT(DRM_COLOR_YCBCR_BT709),
+ BIT(DRM_COLOR_YCBCR_LIMITED_RANGE),
+ DRM_COLOR_YCBCR_BT601,
+ DRM_COLOR_YCBCR_LIMITED_RANGE);
+
drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);
return intel_plane;