From c964b86e322f91f409aead79b1b497b74ae0f795 Mon Sep 17 00:00:00 2001 From: Rodrigo Siqueira Date: Tue, 28 Feb 2023 15:53:10 -0700 Subject: [PATCH] drm/amd/display: Add const to a function MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit When calling the dc_link_bw_kbps_from_raw_frl_link_rate_data from amdgpu_dm, GCC highlighted the following issue: In function ‘get_conv_frl_bw’: error: passing argument 1 of ‘dc_link_bw_kbps_from_raw_frl_link_rate_data’ discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers] 997 | aconnector->dc_link->dc, This commit fix this issue by making DC a constant variable since we only use it to invoke the function bw_kbps_from_raw_frl_link_rate_data(). Reviewed-by: Chris Park Acked-by: Qingqing Zhuo Signed-off-by: Rodrigo Siqueira Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c | 3 +-- drivers/gpu/drm/amd/display/dc/dc.h | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c index 58fa911..d24bc0a 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c @@ -285,8 +285,7 @@ int dc_link_aux_transfer_raw(struct ddc_service *ddc, ddc, payload, operation_result); } -uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data( - struct dc *dc, uint8_t bw) +uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data(const struct dc *dc, uint8_t bw) { return dc->link_srv->bw_kbps_from_raw_frl_link_rate_data(bw); } diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 2818483..624acd4 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1768,8 +1768,7 @@ void dc_restore_link_res_map(const struct dc *dc, uint32_t *map); bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx); /* translate a raw link rate data to bandwidth in kbps */ -uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data( - struct dc *dc, uint8_t bw); +uint32_t dc_link_bw_kbps_from_raw_frl_link_rate_data(const struct dc *dc, uint8_t bw); /* determine the optimal bandwidth given link and required bw. * @link - current detected link -- 2.7.4