Re: [PATCH] drm/amd/display: remove unused variables dispclk_delay_subtotal and dout

From: Hamza Mahfooz
Date: Mon Apr 24 2023 - 12:03:02 EST


On 4/20/23 14:07, Tom Rix wrote:
clang with W=1 reports
drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn314/display_rq_dlg_calc_314.c:1003:15:
error: variable 'dispclk_delay_subtotal' set but not used [-Werror,-Wunused-but-set-variable]
unsigned int dispclk_delay_subtotal;
^
This variable is not used, so remove it.
Which made dout unused, so also remove.

Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

Applied, thanks!

---
.../display/dc/dml/dcn314/display_rq_dlg_calc_314.c | 10 ----------
1 file changed, 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
index ea4eb66066c4..239cb8160c77 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn314/display_rq_dlg_calc_314.c
@@ -951,7 +951,6 @@ static void dml_rq_dlg_get_dlg_params(
{
const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
- const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
@@ -1000,8 +999,6 @@ static void dml_rq_dlg_get_dlg_params(
unsigned int vupdate_width;
unsigned int vready_offset;
- unsigned int dispclk_delay_subtotal;
-
unsigned int vstartup_start;
unsigned int dst_x_after_scaler;
unsigned int dst_y_after_scaler;
@@ -1127,13 +1124,6 @@ static void dml_rq_dlg_get_dlg_params(
vupdate_offset = dst->vupdate_offset;
vupdate_width = dst->vupdate_width;
vready_offset = dst->vready_offset;
- dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
-
- if (dout->dsc_enable) {
- double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx); // FROM VBA
-
- dispclk_delay_subtotal += dsc_delay;
- }
vstartup_start = dst->vstartup_start;
if (interlaced) {
--
Hamza