From b79159d92026b3e1a482ee39d265c2bc5552299c Mon Sep 17 00:00:00 2001 From: Anthony Koo Date: Fri, 25 Jan 2019 11:50:31 -0500 Subject: [PATCH 1222/2940] drm/amd/display: link_rate_set should index into table [Why] Current implementation that maps link_rate_set value to actual link rate is incorrect. [How] Fix this implementation, such that link_rate_set indexes into the supported_link_rate table. Change-Id: I5ff7f7e25951c442240698835526de1ff5400b89 Signed-off-by: Anthony Koo Reviewed-by: Harry Wentland Acked-by: Aric Cyr Acked-by: Bhawanpreet Lakha --- .../gpu/drm/amd/display/dc/core/dc_link_dp.c | 35 +------------------ 1 file changed, 1 insertion(+), 34 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index 5ee36d6e0512..09d301216076 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -2540,7 +2540,6 @@ void detect_edp_sink_caps(struct dc_link *link) uint32_t entry; uint32_t link_rate_in_khz; enum dc_link_rate link_rate = LINK_RATE_UNKNOWN; - uint8_t link_rate_set = 0; retrieve_link_cap(link); @@ -2560,39 +2559,7 @@ void detect_edp_sink_caps(struct dc_link *link) link_rate = linkRateInKHzToLinkRateMultiplier(link_rate_in_khz); if (link->reported_link_cap.link_rate < link_rate) { link->reported_link_cap.link_rate = link_rate; - - switch (link_rate) { - case LINK_RATE_LOW: - link_rate_set = 1; - break; - case LINK_RATE_RATE_2: - link_rate_set = 2; - break; - case LINK_RATE_RATE_3: - link_rate_set = 3; - break; - case LINK_RATE_HIGH: - link_rate_set = 4; - break; - case LINK_RATE_RBR2: - link_rate_set = 5; - break; - case LINK_RATE_RATE_6: - link_rate_set = 6; - break; - case LINK_RATE_HIGH2: - link_rate_set = 7; - break; - case LINK_RATE_HIGH3: - link_rate_set = 8; - break; - default: - link_rate_set = 0; - break; - } - - if (link->dpcd_caps.link_rate_set < link_rate_set) - link->dpcd_caps.link_rate_set = link_rate_set; + link->dpcd_caps.link_rate_set = entry; } } } -- 2.17.1