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path: root/drivers/gpu/drm/i915/intel_tv.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_tv.c')
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 05f765ef5464..3346612d2953 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -811,7 +811,7 @@ intel_tv_mode_lookup(const char *tv_format)
{
int i;
- for (i = 0; i < sizeof(tv_modes) / sizeof(tv_modes[0]); i++) {
+ for (i = 0; i < ARRAY_SIZE(tv_modes); i++) {
const struct tv_mode *tv_mode = &tv_modes[i];
if (!strcmp(tv_format, tv_mode->name))
@@ -1153,6 +1153,15 @@ intel_tv_detect_type(struct intel_tv *intel_tv,
DAC_B_0_7_V |
DAC_C_0_7_V);
+
+ /*
+ * The TV sense state should be cleared to zero on cantiga platform. Otherwise
+ * the TV is misdetected. This is hardware requirement.
+ */
+ if (IS_GM45(dev))
+ tv_dac &= ~(TVDAC_STATE_CHG_EN | TVDAC_A_SENSE_CTL |
+ TVDAC_B_SENSE_CTL | TVDAC_C_SENSE_CTL);
+
I915_WRITE(TV_CTL, tv_ctl);
I915_WRITE(TV_DAC, tv_dac);
POSTING_READ(TV_DAC);
@@ -1240,11 +1249,8 @@ intel_tv_detect(struct drm_connector *connector, bool force)
int type;
mode = reported_modes[0];
- drm_mode_set_crtcinfo(&mode, 0);
- if (intel_tv->base.base.crtc && intel_tv->base.base.crtc->enabled) {
- type = intel_tv_detect_type(intel_tv, connector);
- } else if (force) {
+ if (force) {
struct intel_load_detect_pipe tmp;
if (intel_get_load_detect_pipe(&intel_tv->base, connector,