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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/gpu/drm/i915/intel_dp.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 94f860cce3f..110552ff302 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -49,7 +49,7 @@ struct intel_dp {
uint32_t DP;
uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE];
bool has_audio;
- int force_audio;
+ enum hdmi_force_audio force_audio;
uint32_t color_range;
int dpms_mode;
uint8_t link_bw;
@@ -352,7 +352,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
int recv_bytes;
uint32_t status;
uint32_t aux_clock_divider;
- int try, precharge;
+ int try, precharge = 5;
intel_dp_check_edp(intel_dp);
/* The clock divider is based off the hrawclk,
@@ -368,15 +368,10 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
else
aux_clock_divider = 225; /* eDP input clock at 450Mhz */
} else if (HAS_PCH_SPLIT(dev))
- aux_clock_divider = 62; /* IRL input clock fixed at 125Mhz */
+ aux_clock_divider = 63; /* IRL input clock fixed at 125Mhz */
else
aux_clock_divider = intel_hrawclk(dev) / 2;
- if (IS_GEN6(dev))
- precharge = 3;
- else
- precharge = 5;
-
/* Try to wait for any previous AUX channel activity */
for (try = 0; try < 3; try++) {
status = I915_READ(ch_ctl);
@@ -421,6 +416,10 @@ intel_dp_aux_ch(struct intel_dp *intel_dp,
DP_AUX_CH_CTL_DONE |
DP_AUX_CH_CTL_TIME_OUT_ERROR |
DP_AUX_CH_CTL_RECEIVE_ERROR);
+
+ if (status & (DP_AUX_CH_CTL_TIME_OUT_ERROR |
+ DP_AUX_CH_CTL_RECEIVE_ERROR))
+ continue;
if (status & DP_AUX_CH_CTL_DONE)
break;
}
@@ -2117,8 +2116,8 @@ intel_dp_detect(struct drm_connector *connector, bool force)
if (status != connector_status_connected)
return status;
- if (intel_dp->force_audio) {
- intel_dp->has_audio = intel_dp->force_audio > 0;
+ if (intel_dp->force_audio != HDMI_AUDIO_AUTO) {
+ intel_dp->has_audio = (intel_dp->force_audio == HDMI_AUDIO_ON);
} else {
edid = intel_dp_get_edid(connector, &intel_dp->adapter);
if (edid) {
@@ -2218,10 +2217,10 @@ intel_dp_set_property(struct drm_connector *connector,
intel_dp->force_audio = i;
- if (i == 0)
+ if (i == HDMI_AUDIO_AUTO)
has_audio = intel_dp_detect_audio(connector);
else
- has_audio = i > 0;
+ has_audio = (i == HDMI_AUDIO_ON);
if (has_audio == intel_dp->has_audio)
return 0;