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drm/i915/sdvo: fix questionable return value check 

intel_sdvo_get_trained_inputs() returns a bool, check the status
accordingly.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jani Nikula 2014-03-21 14:56:32 +02:00 committed by Daniel Vetter
parent df6f783a4e
commit d0a7b6de04
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/i915/intel_sdvo.c
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@ -1461,7 +1461,7 @@ static void intel_enable_sdvo(struct intel_encoder *encoder)
u32 temp;
bool input1, input2;
int i;
u8 status;
bool success;
temp = I915_READ(intel_sdvo->sdvo_reg);
if ((temp & SDVO_ENABLE) == 0) {
@ -1475,12 +1475,12 @@ static void intel_enable_sdvo(struct intel_encoder *encoder)
for (i = 0; i < 2; i++)
intel_wait_for_vblank(dev, intel_crtc->pipe);
status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
success = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
/* Warn if the device reported failure to sync.
* A lot of SDVO devices fail to notify of sync, but it's
* a given it the status is a success, we succeeded.
*/
if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
if (success && !input1) {
DRM_DEBUG_KMS("First %s output reported failure to "
"sync\n", SDVO_NAME(intel_sdvo));
}