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authorSuraj Kandpal <suraj.kandpal@intel.com>2023-07-05 10:45:01 +0530
committerAnkit Nautiyal <ankit.k.nautiyal@intel.com>2023-07-12 14:42:43 +0530
commit955009927c72a1389723cabffd6634456057861a (patch)
tree74286f6d2fa4508421f2c36b1e01cbf47333bca1 /drivers/gpu
parentef4374fbc6ab4e43dd3454abca52f8e0d0064fb9 (diff)
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drm/i915/drm: Fix comment for YCbCr20 qp table declaration
Fix comment for YCbCr420 qp table declaration of max value where the min value is 4 and the max value is 12/15/18 depending on bpc. Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230705051502.2568245-3-suraj.kandpal@intel.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/display/intel_qp_tables.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_qp_tables.c b/drivers/gpu/drm/i915/display/intel_qp_tables.c
index 6e86c0971d24..543cdc46aa1d 100644
--- a/drivers/gpu/drm/i915/display/intel_qp_tables.c
+++ b/drivers/gpu/drm/i915/display/intel_qp_tables.c
@@ -17,13 +17,17 @@
/* from BPP 6 to 36 in steps of 0.5 */
#define RC_RANGE_QP444_12BPC_MAX_NUM_BPP 61
-/* from BPP 6 to 24 in steps of 0.5 */
+/* For YCbCr420 the bits_per_pixel sent in PPS params
+ * is double the target bpp. The below values represent
+ * the target bpp.
+ */
+/* from BPP 4 to 12 in steps of 0.5 */
#define RC_RANGE_QP420_8BPC_MAX_NUM_BPP 17
-/* from BPP 6 to 30 in steps of 0.5 */
+/* from BPP 4 to 15 in steps of 0.5 */
#define RC_RANGE_QP420_10BPC_MAX_NUM_BPP 23
-/* from BPP 6 to 36 in steps of 0.5 */
+/* from BPP 4 to 18 in steps of 0.5 */
#define RC_RANGE_QP420_12BPC_MAX_NUM_BPP 29
/*