>-----Original Message-----
>From: dri-devel <dri-devel-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Gwan-
>gyeong Mun
>Sent: Tuesday, September 3, 2019 2:43 PM
>To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
>Cc: Shankar, Uma <uma.shankar@xxxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx
>Subject: [PATCH v4 5/7] drm/i915: Add new GMP register size for GEN11
>
>According to Bspec, GEN11 and prior GEN11 have different register size for HDR
>Metadata Infoframe SDP packet. It adds new VIDEO_DIP_GMP_DATA_SIZE for
>GEN11. And it makes handle different register size for
>HDMI_PACKET_TYPE_GAMUT_METADATA on hsw_dip_data_size() for each GEN
>platforms. It addresses Uma's review comments.
Looks good to me.
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
>Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@xxxxxxxxx>
>---
> drivers/gpu/drm/i915/display/intel_hdmi.c | 10 ++++++++--
> drivers/gpu/drm/i915/i915_reg.h | 1 +
> 2 files changed, 9 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c
>b/drivers/gpu/drm/i915/display/intel_hdmi.c
>index c500fc9154c8..287999b31217 100644
>--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
>+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
>@@ -189,13 +189,19 @@ hsw_dip_data_reg(struct drm_i915_private *dev_priv,
> }
> }
>
>-static int hsw_dip_data_size(unsigned int type)
>+static int hsw_dip_data_size(struct drm_i915_private *dev_priv,
>+ unsigned int type)
> {
> switch (type) {
> case DP_SDP_VSC:
> return VIDEO_DIP_VSC_DATA_SIZE;
> case DP_SDP_PPS:
> return VIDEO_DIP_PPS_DATA_SIZE;
>+ case HDMI_PACKET_TYPE_GAMUT_METADATA:
>+ if (INTEL_GEN(dev_priv) >= 11)
>+ return VIDEO_DIP_GMP_DATA_SIZE;
>+ else
>+ return VIDEO_DIP_DATA_SIZE;
> default:
> return VIDEO_DIP_DATA_SIZE;
> }
>@@ -514,7 +520,7 @@ static void hsw_write_infoframe(struct intel_encoder
>*encoder,
> int i;
> u32 val = I915_READ(ctl_reg);
>
>- data_size = hsw_dip_data_size(type);
>+ data_size = hsw_dip_data_size(dev_priv, type);
>
> val &= ~hsw_infoframe_enable(type);
> I915_WRITE(ctl_reg, val);
>diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index
>6c43b8c583bb..8b31ad7426d6 100644
>--- a/drivers/gpu/drm/i915/i915_reg.h
>+++ b/drivers/gpu/drm/i915/i915_reg.h
>@@ -4667,6 +4667,7 @@ enum {
> * (Haswell and newer) to see which VIDEO_DIP_DATA byte corresponds to each byte
> * of the infoframe structure specified by CEA-861. */
> #define VIDEO_DIP_DATA_SIZE 32
>+#define VIDEO_DIP_GMP_DATA_SIZE 36
> #define VIDEO_DIP_VSC_DATA_SIZE 36
> #define VIDEO_DIP_PPS_DATA_SIZE 132
> #define VIDEO_DIP_CTL _MMIO(0x61170)
>--
>2.23.0
>
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