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drm/amd/display: Fix missing irq refactor causing potential i2c race

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Signed-off-by: Jordan Lazare <Jordan.Lazare@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jordan Lazare
2017-04-11 11:40:18 -04:00
committed by Alex Deucher
parent 07c84c7ad3
commit 209a885be0
1 changed files with 10 additions and 5 deletions
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15
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_types.c
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@ -32,8 +32,10 @@
#include <drm/drm_atomic.h>
#include <drm/drm_edid.h>
#include "amdgpu.h"
#include "amdgpu_pm.h"
#include "dm_helpers.h"
#include "dm_services_types.h"
// We need to #undef FRAME_SIZE and DEPRECATED because they conflict
@ -3075,13 +3077,16 @@ static bool is_dp_capable_without_timing_msa(
{
uint8_t dpcd_data;
bool capable = false;
if (amdgpu_connector->dc_link &&
dc_read_aux_dpcd(
dc,
amdgpu_connector->dc_link->link_index,
DP_DOWN_STREAM_PORT_COUNT,
&dpcd_data, sizeof(dpcd_data)))
dm_helpers_dp_read_dpcd(
NULL,
amdgpu_connector->dc_link,
DP_DOWN_STREAM_PORT_COUNT,
&dpcd_data,
sizeof(dpcd_data))) {
capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false;
}
return capable;
}