2021-01-11 19:22:36

by Lee Jones

Subject: [PATCH 02/40] drm/amd/display/dc/dce/dce_link_encoder: Remove unused variable 'value0'

Fixes the following W=1 kernel build warning(s):

drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_link_encoder.c: In function ‘dce110_link_encoder_update_mst_stream_allocation_table’:
drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_link_encoder.c:1506:11: warning: variable ‘value0’ set but not used [-Wunused-but-set-variable]

Cc: Harry Wentland <[email protected]>
Cc: Leo Li <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: "Christian König" <[email protected]>
Cc: David Airlie <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Mauro Rossi <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Lee Jones <[email protected]>
---
drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index 0ef2f4d9d8bf3..1e77ffee71b30 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -1503,7 +1503,6 @@ void dce110_link_encoder_update_mst_stream_allocation_table(
const struct link_mst_stream_allocation_table *table)
{
struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
- uint32_t value0 = 0;
uint32_t value1 = 0;
uint32_t value2 = 0;
uint32_t slots = 0;
@@ -1604,7 +1603,7 @@ void dce110_link_encoder_update_mst_stream_allocation_table(
do {
udelay(10);

- value0 = REG_READ(DP_MSE_SAT_UPDATE);
+ REG_READ(DP_MSE_SAT_UPDATE);

REG_GET(DP_MSE_SAT_UPDATE,
DP_MSE_SAT_UPDATE, &value1);
--
2.25.1

2021-01-13 02:52:39

by Alex Deucher

Subject: Re: [PATCH 02/40] drm/amd/display/dc/dce/dce_link_encoder: Remove unused variable 'value0'

On Mon, Jan 11, 2021 at 2:19 PM Lee Jones <[email protected]> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_link_encoder.c: In function ‘dce110_link_encoder_update_mst_stream_allocation_table’:
> drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_link_encoder.c:1506:11: warning: variable ‘value0’ set but not used [-Wunused-but-set-variable]
>
> Cc: Harry Wentland <[email protected]>
> Cc: Leo Li <[email protected]>
> Cc: Alex Deucher <[email protected]>
> Cc: "Christian König" <[email protected]>
> Cc: David Airlie <[email protected]>
> Cc: Daniel Vetter <[email protected]>
> Cc: Mauro Rossi <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Lee Jones <[email protected]>

Applied. Thanks!

Alex

> ---
> drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
> index 0ef2f4d9d8bf3..1e77ffee71b30 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
> @@ -1503,7 +1503,6 @@ void dce110_link_encoder_update_mst_stream_allocation_table(
> const struct link_mst_stream_allocation_table *table)
> {
> struct dce110_link_encoder *enc110 = TO_DCE110_LINK_ENC(enc);
> - uint32_t value0 = 0;
> uint32_t value1 = 0;
> uint32_t value2 = 0;
> uint32_t slots = 0;
> @@ -1604,7 +1603,7 @@ void dce110_link_encoder_update_mst_stream_allocation_table(
> do {
> udelay(10);
>
> - value0 = REG_READ(DP_MSE_SAT_UPDATE);
> + REG_READ(DP_MSE_SAT_UPDATE);
>
> REG_GET(DP_MSE_SAT_UPDATE,
> DP_MSE_SAT_UPDATE, &value1);
> --
> 2.25.1
>
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