[Intel-gfx] [PATCH 1/7] drm/i915: Readout and check csc_mode

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Add the missing readout and PIPE_CONF_CHECK() for csc_mode.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_color.c   | 4 ++--
 drivers/gpu/drm/i915/intel_display.c | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index da7a07d5ccea..d813b9d0f5c0 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -788,6 +788,8 @@ int intel_color_check(struct intel_crtc_state *crtc_state)
 	if (ret)
 		return ret;
 
+	crtc_state->csc_mode = 0;
+
 	/* Always allow legacy gamma LUT with no further checking. */
 	if (!crtc_state->gamma_enable ||
 	    crtc_state_is_legacy_gamma(crtc_state)) {
@@ -814,8 +816,6 @@ int intel_color_check(struct intel_crtc_state *crtc_state)
 	else
 		crtc_state->gamma_mode = GAMMA_MODE_MODE_8BIT;
 
-	crtc_state->csc_mode = 0;
-
 	if (INTEL_GEN(dev_priv) >= 11) {
 		if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 ||
 		    crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR444)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index afa21daaae51..2e4d33634e0c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9267,6 +9267,8 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
 	pipe_config->gamma_mode = (tmp & PIPECONF_GAMMA_MODE_MASK_ILK) >>
 		PIPECONF_GAMMA_MODE_SHIFT;
 
+	pipe_config->csc_mode = I915_READ(PIPE_CSC_MODE(crtc->pipe));
+
 	i9xx_get_pipe_color_config(pipe_config);
 
 	if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) {
@@ -9903,6 +9905,8 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
 	pipe_config->gamma_mode =
 		I915_READ(GAMMA_MODE(crtc->pipe)) & GAMMA_MODE_MODE_MASK;
 
+	pipe_config->csc_mode = I915_READ(PIPE_CSC_MODE(crtc->pipe));
+
 	if (INTEL_GEN(dev_priv) >= 9) {
 		u32 tmp = I915_READ(SKL_BOTTOM_COLOR(crtc->pipe));
 
@@ -12146,6 +12150,7 @@ intel_pipe_config_compare(struct drm_i915_private *dev_priv,
 		PIPE_CONF_CHECK_CLOCK_FUZZY(pixel_rate);
 
 		PIPE_CONF_CHECK_X(gamma_mode);
+		PIPE_CONF_CHECK_X(csc_mode);
 		PIPE_CONF_CHECK_BOOL(gamma_enable);
 		PIPE_CONF_CHECK_BOOL(csc_enable);
 	}
-- 
2.19.2