[14/23] drm/dsc: Define the DSC 1.1 and 1.2 Line Buffer depth constants

Commit Message

Navare, Manasi July 31, 2018, 2:12 a.m. UTC

From: Gaurav K Singh <[e-mail]>

DSC specification defines linebuf_depth which contains the
line buffer bit depth used to generate the bitstream.
These values are defined as per Table 4.1 in DSC 1.2 spec

v2 (From Manasi):
* Rename as MAX_LINEBUF_DEPTH for DSC 1.1 and DSC 1.2

Cc: [e-mail]
Cc: Jani Nikula <[e-mail]>
Cc: Ville Syrjälä <[e-mail]>
Signed-off-by: Gaurav K Singh <[e-mail]>
Signed-off-by: Manasi Navare <[e-mail]>
---
 include/drm/drm_dsc.h | 3 +++
 1 file changed, 3 insertions(+)

Comments

Srivatsa, Anusha Aug. 28, 2018, 10:04 p.m. UTC | #1

>-----Original Message-----
>From: Navare, Manasi D
>Sent: Monday, July 30, 2018 7:13 PM
>To: [e-mail]
>Cc: [e-mail]; [e-mail]; Srivatsa, Anusha
><[e-mail]>; Singh, Gaurav K <[e-mail]>; dri-
>[e-mail]; Navare, Manasi D <[e-mail]>
>Subject: [PATCH 14/23] drm/dsc: Define the DSC 1.1 and 1.2 Line Buffer depth
>constants
>
>From: Gaurav K Singh <[e-mail]>
>
>DSC specification defines linebuf_depth which contains the line buffer bit depth
>used to generate the bitstream.
>These values are defined as per Table 4.1 in DSC 1.2 spec
>
>v2 (From Manasi):
>* Rename as MAX_LINEBUF_DEPTH for DSC 1.1 and DSC 1.2
>
>Cc: [e-mail]
>Cc: Jani Nikula <[e-mail]>
>Cc: Ville Syrjälä <[e-mail]>
>Signed-off-by: Gaurav K Singh <[e-mail]>
>Signed-off-by: Manasi Navare <[e-mail]>
Reviewed-by: Anusha Srivatsa <[e-mail]>
>---
> include/drm/drm_dsc.h | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index
>30adc15..4cfcd03 100644
>--- a/include/drm/drm_dsc.h
>+++ b/include/drm/drm_dsc.h
>@@ -56,6 +56,9 @@
> #define DSC_PPS_RC_RANGE_MINQP_SHIFT		11
> #define DSC_PPS_RC_RANGE_MAXQP_SHIFT		6
> #define DSC_PPS_NATIVE_420_SHIFT		1
>+#define DSC_1_2_MAX_LINEBUF_DEPTH_BITS		16
>+#define DSC_1_2_MAX_LINEBUF_DEPTH_VAL		0
>+#define DSC_1_1_MAX_LINEBUF_DEPTH_BITS		13
>
> /* Configuration for a single Rate Control model range */  struct
>dsc_rc_range_parameters {
>--
>2.7.4

Patch

diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h
index 30adc15..4cfcd03 100644
--- a/include/drm/drm_dsc.h
+++ b/include/drm/drm_dsc.h
@@ -56,6 +56,9 @@ 
 #define DSC_PPS_RC_RANGE_MINQP_SHIFT		11
 #define DSC_PPS_RC_RANGE_MAXQP_SHIFT		6
 #define DSC_PPS_NATIVE_420_SHIFT		1
+#define DSC_1_2_MAX_LINEBUF_DEPTH_BITS		16
+#define DSC_1_2_MAX_LINEBUF_DEPTH_VAL		0
+#define DSC_1_1_MAX_LINEBUF_DEPTH_BITS		13
 
 /* Configuration for a single Rate Control model range */
 struct dsc_rc_range_parameters {