Re: [PATCH] drm/amd/display: remove unreachable code

2022-08-12 Thread Tales Lelo da Aparecida

Hi,

On 12/08/2022 00:19, Jiapeng Chong wrote:

drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_util_32.c:1658
 dml32_TruncToValidBPP() warn: ignoring unreachable code.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=1894
Reported-by: Abaci Robot 
Signed-off-by: Jiapeng Chong 
---
  .../drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c   | 4 
  1 file changed, 4 deletions(-)

diff --git 
a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
index 05fc14a47fba..0758e1da55a9 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
@@ -1654,10 +1654,6 @@ double dml32_TruncToValidBPP(
else
return DesiredBPP;
}
-
-   *RequiredSlots = dml_ceil(DesiredBPP / MaxLinkBPP * 64, 1);
-
-   return BPP_INVALID;
  } // TruncToValidBPP
  
  double dml32_RequiredDTBCLK(


Seems correct.

Reviewed-by: Tales Aparecida 

I feel like RequiredSlots is not actually used anywhere in the code, 
just passed around dml32_TruncToValidBPP() and 
dml32_CalculateOutputLink(). I've looked for any mentions of it in the 
mailing list, but could not find anything that implied it's part of 
ground working. I wonder if it's something outside the Linux tree for 
other platforms or related to HW gospel.


[PATCH] drm/amd/display: remove unreachable code

2022-08-12 Thread Jiapeng Chong
drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_util_32.c:1658
 dml32_TruncToValidBPP() warn: ignoring unreachable code.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=1894
Reported-by: Abaci Robot 
Signed-off-by: Jiapeng Chong 
---
 .../drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c   | 4 
 1 file changed, 4 deletions(-)

diff --git 
a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c 
b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
index 05fc14a47fba..0758e1da55a9 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
@@ -1654,10 +1654,6 @@ double dml32_TruncToValidBPP(
else
return DesiredBPP;
}
-
-   *RequiredSlots = dml_ceil(DesiredBPP / MaxLinkBPP * 64, 1);
-
-   return BPP_INVALID;
 } // TruncToValidBPP
 
 double dml32_RequiredDTBCLK(
-- 
2.20.1.7.g153144c