Re: [PATCH v5 7/8] drm/display/dsc: include the rest of pre-SCR parameters

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On 5/4/2023 8:35 AM, Dmitry Baryshkov wrote:
DSC model contains pre-SCR RC parameters for other bpp/bpc combinations,
include them here for completeness. The values were generated from the
'pre_scr_cfg_files_for_reference' files found in DSC models 20210623.
The same fileset is a part of DSC model 20161212.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

I checked these pre-SCR values against DSC model 20161212 and they look good to me.

Reviewed-by: Jessica Zhang <quic_jesszhan@xxxxxxxxxxx>

---
  drivers/gpu/drm/display/drm_dsc_helper.c | 72 ++++++++++++++++++++++++
  1 file changed, 72 insertions(+)

diff --git a/drivers/gpu/drm/display/drm_dsc_helper.c b/drivers/gpu/drm/display/drm_dsc_helper.c
index 35b39f3109c4..aec6f8c201af 100644
--- a/drivers/gpu/drm/display/drm_dsc_helper.c
+++ b/drivers/gpu/drm/display/drm_dsc_helper.c
@@ -325,6 +325,16 @@ struct rc_parameters_data {
  #define DSC_BPP(bpp)	((bpp) << 4)
static const struct rc_parameters_data rc_parameters_pre_scr[] = {
+	{
+		.bpp = DSC_BPP(6), .bpc = 8,
+		{ 683, 15, 6144, 3, 13, 11, 11, {
+			{ 0, 2, 0 }, { 1, 4, -2 }, { 3, 6, -2 }, { 4, 6, -4 },
+			{ 5, 7, -6 }, { 5, 7, -6 }, { 6, 7, -6 }, { 6, 8, -8 },
+			{ 7, 9, -8 }, { 8, 10, -10 }, { 9, 11, -10 }, { 10, 12, -12 },
+			{ 10, 13, -12 }, { 12, 14, -12 }, { 15, 15, -12 }
+			}
+		}
+	},
  	{
  		.bpp = DSC_BPP(8), .bpc = 8,
  		{ 512, 12, 6144, 3, 12, 11, 11, {
@@ -360,6 +370,37 @@ static const struct rc_parameters_data rc_parameters_pre_scr[] = {
  			}
  		}
  	},
+	{
+		.bpp = DSC_BPP(10), .bpc = 8,
+		{ 410, 12, 5632, 3, 12, 11, 11, {
+			{ 0, 3, 2 }, { 0, 4, 0 }, { 1, 5, 0 }, { 2, 6, -2 },
+			{ 3, 7, -4 }, { 3, 7, -6 }, { 3, 7, -8 }, { 3, 8, -8 },
+			{ 3, 9, -8 }, { 3, 9, -10 }, { 5, 10, -10 }, { 5, 11, -10 },
+			{ 5, 12, -12 }, { 7, 13, -12 }, { 13, 15, -12 }
+			}
+		}
+	},
+	{
+		.bpp = DSC_BPP(10), .bpc = 10,
+		{ 410, 12, 5632, 7, 16, 15, 15, {
+			{ 0, 7, 2 }, { 4, 8, 0 }, { 5, 9, 0 }, { 6, 10, -2 },
+			{ 7, 11, -4 }, { 7, 11, -6 }, { 7, 11, -8 }, { 7, 12, -8 },
+			{ 7, 13, -8 }, { 7, 13, -10 }, { 9, 14, -10 }, { 9, 15, -10 },
+			{ 9, 16, -12 }, { 11, 17, -12 }, { 17, 19, -12 }
+			}
+		}
+	},
+	{
+		.bpp = DSC_BPP(10), .bpc = 12,
+		{ 410, 12, 5632, 11, 20, 19, 19, {
+			{ 0, 11, 2 }, { 4, 12, 0 }, { 9, 13, 0 }, { 10, 14, -2 },
+			{ 11, 15, -4 }, { 11, 15, -6 }, { 11, 15, -8 }, { 11, 16, -8 },
+			{ 11, 17, -8 }, { 11, 17, -10 }, { 13, 18, -10 },
+			{ 13, 19, -10 }, { 13, 20, -12 }, { 15, 21, -12 },
+			{ 21, 23, -12 }
+			}
+		}
+	},
  	{
  		.bpp = DSC_BPP(12), .bpc = 8,
  		{ 341, 15, 2048, 3, 12, 11, 11, {
@@ -391,6 +432,37 @@ static const struct rc_parameters_data rc_parameters_pre_scr[] = {
  			}
  		}
  	},
+	{
+		.bpp = DSC_BPP(15), .bpc = 8,
+		{ 273, 15, 2048, 3, 12, 11, 11, {
+			{ 0, 0, 10 }, { 0, 1, 8 }, { 0, 1, 6 }, { 0, 2, 4 },
+			{ 1, 2, 2 }, { 1, 3, 0 }, { 1, 4, -2 }, { 2, 4, -4 },
+			{ 3, 4, -6 }, { 3, 5, -8 }, { 4, 6, -10 }, { 5, 7, -10 },
+			{ 5, 8, -12 }, { 7, 13, -12 }, { 13, 15, -12 }
+			}
+		}
+	},
+	{
+		.bpp = DSC_BPP(15), .bpc = 10,
+		{ 273, 15, 2048, 7, 16, 15, 15, {
+			{ 0, 2, 10 }, { 2, 5, 8 }, { 3, 5, 6 }, { 4, 6, 4 },
+			{ 5, 6, 2 }, { 5, 7, 0 }, { 5, 8, -2 }, { 6, 8, -4 },
+			{ 7, 8, -6 }, { 7, 9, -8 }, { 8, 10, -10 }, { 9, 11, -10 },
+			{ 9, 12, -12 }, { 11, 17, -12 }, { 17, 19, -12 }
+			}
+		}
+	},
+	{
+		.bpp = DSC_BPP(15), .bpc = 12,
+		{ 273, 15, 2048, 11, 20, 19, 19, {
+			{ 0, 4, 10 }, { 2, 7, 8 }, { 4, 9, 6 }, { 6, 11, 4 },
+			{ 9, 11, 2 }, { 9, 11, 0 }, { 9, 12, -2 }, { 10, 12, -4 },
+			{ 11, 12, -6 }, { 11, 13, -8 }, { 12, 14, -10 },
+			{ 13, 15, -10 }, { 13, 16, -12 }, { 15, 21, -12 },
+			{ 21, 23, -12 }
+			}
+		}
+	},
  	{ /* sentinel */ }
  };
--
2.39.2




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