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authorVille Syrjälä <ville.syrjala@linux.intel.com>2019-07-18 17:50:50 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2019-09-20 21:46:22 +0300
commitac0f01cee94702d49aad3ff4d0607024fa34c9dd (patch)
tree050d0076dcbdbc2923904f18d922b506889a0953 /drivers/gpu
parentb10d1173eecf811d5293c5097f1025fc20915171 (diff)
downloadlinux-ac0f01cee94702d49aad3ff4d0607024fa34c9dd.tar.bz2
drm/i915: Add PIPECONF YCbCr 4:4:4 programming for HSW
On HSW the pipe colorspace is configured via PIPECONF (as opposed to PIPEMISC in BDW+). Let's configure+readout that stuff correctly. Enabling YCbCr 4:4:4 output will now be a simple matter of setting crtc_state->output_format appropriately in the encoder .compute_config(). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190718145053.25808-10-ville.syrjala@linux.intel.com Reviewed-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c13
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h1
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 95a63acc43a3..1bd91a061a0a 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -9444,6 +9444,10 @@ static void haswell_set_pipeconf(const struct intel_crtc_state *crtc_state)
else
val |= PIPECONF_PROGRESSIVE;
+ if (IS_HASWELL(dev_priv) &&
+ crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB)
+ val |= PIPECONF_OUTPUT_COLORSPACE_YUV_HSW;
+
I915_WRITE(PIPECONF(cpu_transcoder), val);
POSTING_READ(PIPECONF(cpu_transcoder));
}
@@ -10440,7 +10444,14 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
intel_get_pipe_src_size(crtc, pipe_config);
- if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv)) {
+ if (IS_HASWELL(dev_priv)) {
+ u32 tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder));
+
+ if (tmp & PIPECONF_OUTPUT_COLORSPACE_YUV_HSW)
+ pipe_config->output_format = INTEL_OUTPUT_FORMAT_YCBCR444;
+ else
+ pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
+ } else {
pipe_config->output_format =
bdw_get_pipemisc_output_format(crtc);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 3cc1baa0b915..6f2eda76da4a 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5683,6 +5683,7 @@ enum {
#define PIPECONF_CXSR_DOWNCLOCK (1 << 16)
#define PIPECONF_EDP_RR_MODE_SWITCH_VLV (1 << 14)
#define PIPECONF_COLOR_RANGE_SELECT (1 << 13)
+#define PIPECONF_OUTPUT_COLORSPACE_YUV_HSW (1 << 11) /* hsw only */
#define PIPECONF_BPC_MASK (0x7 << 5)
#define PIPECONF_8BPC (0 << 5)
#define PIPECONF_10BPC (1 << 5)