| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 106/222] drm/amd/display: Reorder detect_edp_sink_caps before link settings read. | Date | Wed, 22 Jan 2020 10:28:12 +0100 |
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From: Mario Kleiner <mario.kleiner.de@gmail.com>
[ Upstream commit 3b7c59754cc22760760a84ebddb8e0b1e8dd871b ]
read_current_link_settings_on_detect() on eDP 1.4+ may use the edp_supported_link_rates table which is set up by detect_edp_sink_caps(), so that function needs to be called first.
Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com> Cc: Martin Leung <martin.leung@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index 793aa8e8ec9a..c0f1c62c59b4 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -809,8 +809,8 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason) } case SIGNAL_TYPE_EDP: { - read_edp_current_link_settings_on_detect(link); detect_edp_sink_caps(link); + read_edp_current_link_settings_on_detect(link); sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX; sink_caps.signal = SIGNAL_TYPE_EDP; -- 2.20.1
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