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-rw-r--r--drivers/gpu/drm/i915/i915_reg.h10
-rw-r--r--drivers/gpu/drm/i915/intel_sprite.c81
2 files changed, 73 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 920c8914cec1..cc70e2470272 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6159,6 +6159,12 @@ enum {
#define _SPATILEOFF (VLV_DISPLAY_BASE + 0x721a4)
#define _SPACONSTALPHA (VLV_DISPLAY_BASE + 0x721a8)
#define SP_CONST_ALPHA_ENABLE (1<<31)
+#define _SPACLRC0 (VLV_DISPLAY_BASE + 0x721d0)
+#define SP_CONTRAST(x) ((x) << 18) /* u3.6 */
+#define SP_BRIGHTNESS(x) ((x) & 0xff) /* s8 */
+#define _SPACLRC1 (VLV_DISPLAY_BASE + 0x721d4)
+#define SP_SH_SIN(x) (((x) & 0x7ff) << 16) /* s4.7 */
+#define SP_SH_COS(x) (x) /* u3.7 */
#define _SPAGAMC (VLV_DISPLAY_BASE + 0x721f4)
#define _SPBCNTR (VLV_DISPLAY_BASE + 0x72280)
@@ -6172,6 +6178,8 @@ enum {
#define _SPBKEYMAXVAL (VLV_DISPLAY_BASE + 0x722a0)
#define _SPBTILEOFF (VLV_DISPLAY_BASE + 0x722a4)
#define _SPBCONSTALPHA (VLV_DISPLAY_BASE + 0x722a8)
+#define _SPBCLRC0 (VLV_DISPLAY_BASE + 0x722d0)
+#define _SPBCLRC1 (VLV_DISPLAY_BASE + 0x722d4)
#define _SPBGAMC (VLV_DISPLAY_BASE + 0x722f4)
#define _MMIO_VLV_SPR(pipe, plane_id, reg_a, reg_b) \
@@ -6188,6 +6196,8 @@ enum {
#define SPKEYMAXVAL(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPAKEYMAXVAL, _SPBKEYMAXVAL)
#define SPTILEOFF(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPATILEOFF, _SPBTILEOFF)
#define SPCONSTALPHA(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACONSTALPHA, _SPBCONSTALPHA)
+#define SPCLRC0(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACLRC0, _SPBCLRC0)
+#define SPCLRC1(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPACLRC1, _SPBCLRC1)
#define SPGAMC(pipe, plane_id) _MMIO_VLV_SPR((pipe), (plane_id), _SPAGAMC, _SPBGAMC)
/*
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index f8ebeb5ffb96..41e31a454604 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -345,44 +345,87 @@ 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))
+ if (!format_is_yuv(fb->format->format))
return;
/*
- * BT.601 limited range YCbCr -> full range RGB
+ * BT.601 full range YCbCr -> full range RGB
*
- * |r| | 6537 4769 0| |cr |
- * |g| = |-3330 4769 -1605| x |y-64|
- * |b| | 0 4769 8263| |cb |
+ * |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, 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 get full range data in on account of CLRC0/1
*/
- I915_WRITE_FW(SPCSCYGOFF(plane_id), SPCSC_OOFF(0) | SPCSC_IOFF(-64));
+ 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(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(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 (format_is_yuv(fb->format->format)) {
+ /*
+ * 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)
{
@@ -476,8 +519,10 @@ 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);