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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.c134
1 files changed, 109 insertions, 25 deletions
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index e098e4b2c85c..dbdcf85032df 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -41,8 +41,7 @@
#include <drm/i915_drm.h>
#include "i915_drv.h"
-static bool
-format_is_yuv(uint32_t format)
+bool intel_format_is_yuv(u32 format)
{
switch (format) {
case DRM_FORMAT_YUYV:
@@ -266,6 +265,7 @@ skl_update_plane(struct intel_plane *plane,
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
I915_WRITE_FW(PLANE_COLOR_CTL(pipe, plane_id),
plane_state->color_ctl);
+
if (key->flags) {
I915_WRITE_FW(PLANE_KEYVAL(pipe, plane_id), key->min_value);
I915_WRITE_FW(PLANE_KEYMAX(pipe, plane_id), key->max_value);
@@ -346,44 +346,103 @@ skl_plane_get_hw_state(struct intel_plane *plane)
}
static void
-chv_update_csc(struct intel_plane *plane, uint32_t format)
+chv_update_csc(const struct intel_plane_state *plane_state)
{
+ struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
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;
-
- /* Seems RGB data bypasses the CSC always */
- if (!format_is_yuv(format))
- return;
-
/*
- * BT.601 limited range YCbCr -> full range RGB
+ * |r| | c0 c1 c2 | |cr|
+ * |g| = | c3 c4 c5 | x |y |
+ * |b| | c6 c7 c8 | |cb|
*
- * |r| | 6537 4769 0| |cr |
- * |g| = |-3330 4769 -1605| x |y-64|
- * |b| | 0 4769 8263| |cb |
+ * Coefficients are s3.12.
*
- * Cb and Cr apparently come in as signed already, so no
- * need for any offset. For Y we need to remove the offset.
+ * Cb and Cr apparently come in as signed already, and
+ * we always get full range data in on account of CLRC0/1.
*/
- I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
+ 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;
+
+ 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(4769) | SPCSC_C0(6537));
- I915_WRITE_FW(SPCSCC23(plane_id), SPCSC_C1(-3330) | SPCSC_C0(0));
- I915_WRITE_FW(SPCSCC45(plane_id), SPCSC_C1(-1605) | SPCSC_C0(4769));
- I915_WRITE_FW(SPCSCC67(plane_id), SPCSC_C1(4769) | SPCSC_C0(0));
- I915_WRITE_FW(SPCSCC8(plane_id), SPCSC_C0(8263));
+ 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(940) | SPCSC_IMIN(64));
- I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
- I915_WRITE_FW(SPCSCCRICLAMP(plane_id), SPCSC_IMAX(448) | SPCSC_IMIN(-448));
+ I915_WRITE_FW(SPCSCYGICLAMP(plane_id), SPCSC_IMAX(1023) | SPCSC_IMIN(0));
+ I915_WRITE_FW(SPCSCCBICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512));
+ I915_WRITE_FW(SPCSCCRICLAMP(plane_id), SPCSC_IMAX(512) | SPCSC_IMIN(-512));
I915_WRITE_FW(SPCSCYGOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
I915_WRITE_FW(SPCSCCBOCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
I915_WRITE_FW(SPCSCCROCLAMP(plane_id), SPCSC_OMAX(1023) | SPCSC_OMIN(0));
}
+#define SIN_0 0
+#define COS_0 1
+
+static void
+vlv_update_clrc(const struct intel_plane_state *plane_state)
+{
+ struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+ struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+ const struct drm_framebuffer *fb = plane_state->base.fb;
+ enum pipe pipe = plane->pipe;
+ enum plane_id plane_id = plane->id;
+ int contrast, brightness, sh_scale, sh_sin, sh_cos;
+
+ if (intel_format_is_yuv(fb->format->format) &&
+ plane_state->base.color_range == DRM_COLOR_YCBCR_LIMITED_RANGE) {
+ /*
+ * Expand limited range to full range:
+ * Contrast is applied first and is used to expand Y range.
+ * Brightness is applied second and is used to remove the
+ * offset from Y. Saturation/hue is used to expand CbCr range.
+ */
+ contrast = DIV_ROUND_CLOSEST(255 << 6, 235 - 16);
+ brightness = -DIV_ROUND_CLOSEST(16 * 255, 235 - 16);
+ sh_scale = DIV_ROUND_CLOSEST(128 << 7, 240 - 128);
+ sh_sin = SIN_0 * sh_scale;
+ sh_cos = COS_0 * sh_scale;
+ } else {
+ /* Pass-through everything. */
+ contrast = 1 << 6;
+ brightness = 0;
+ sh_scale = 1 << 7;
+ sh_sin = SIN_0 * sh_scale;
+ sh_cos = COS_0 * sh_scale;
+ }
+
+ /* FIXME these register are single buffered :( */
+ I915_WRITE_FW(SPCLRC0(pipe, plane_id),
+ SP_CONTRAST(contrast) | SP_BRIGHTNESS(brightness));
+ I915_WRITE_FW(SPCLRC1(pipe, plane_id),
+ SP_SH_SIN(sh_sin) | SP_SH_COS(sh_cos));
+}
+
static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
{
@@ -433,6 +492,9 @@ 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;
@@ -477,8 +539,10 @@ vlv_update_plane(struct intel_plane *plane,
spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
+ vlv_update_clrc(plane_state);
+
if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B)
- chv_update_csc(plane, fb->format->format);
+ chv_update_csc(plane_state);
if (key->flags) {
I915_WRITE_FW(SPKEYMINVAL(pipe, plane_id), key->min_value);
@@ -584,6 +648,12 @@ 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 (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
+ sprctl |= SPRITE_YUV_RANGE_CORRECTION_DISABLE;
+
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
sprctl |= SPRITE_TILED;
@@ -740,6 +810,12 @@ 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 (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
+ dvscntr |= DVS_YUV_RANGE_CORRECTION_DISABLE;
+
if (fb->modifier == I915_FORMAT_MOD_X_TILED)
dvscntr |= DVS_TILED;
@@ -979,7 +1055,7 @@ intel_check_sprite_plane(struct intel_plane *plane,
src_y = src->y1 >> 16;
src_h = drm_rect_height(src) >> 16;
- if (format_is_yuv(fb->format->format)) {
+ if (intel_format_is_yuv(fb->format->format)) {
src_x &= ~1;
src_w &= ~1;
@@ -1459,6 +1535,14 @@ 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) |
+ BIT(DRM_COLOR_YCBCR_FULL_RANGE),
+ DRM_COLOR_YCBCR_BT709,
+ DRM_COLOR_YCBCR_LIMITED_RANGE);
+
drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);
return intel_plane;