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-rw-r--r--drivers/gpu/drm/i915/intel_display.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 83c8545..0b90443 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3508,10 +3508,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
u32 dpll = 0, fp = 0, fp2 = 0, dspcntr, pipeconf;
bool ok, has_reduced_clock = false, is_sdvo = false, is_dvo = false;
bool is_crt = false, is_lvds = false, is_tv = false, is_dp = false;
- bool is_edp = false;
+ struct intel_encoder *has_edp_encoder = NULL;
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_encoder *encoder;
- struct intel_encoder *intel_encoder = NULL;
const intel_limit_t *limit;
int ret;
struct fdi_m_n m_n = {0};
@@ -3532,12 +3531,12 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
drm_vblank_pre_modeset(dev, pipe);
list_for_each_entry(encoder, &mode_config->encoder_list, head) {
+ struct intel_encoder *intel_encoder;
- if (!encoder || encoder->crtc != crtc)
+ if (encoder->crtc != crtc)
continue;
intel_encoder = enc_to_intel_encoder(encoder);
-
switch (intel_encoder->type) {
case INTEL_OUTPUT_LVDS:
is_lvds = true;
@@ -3561,7 +3560,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
is_dp = true;
break;
case INTEL_OUTPUT_EDP:
- is_edp = true;
+ has_edp_encoder = intel_encoder;
break;
}
@@ -3639,10 +3638,10 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
int lane = 0, link_bw, bpp;
/* eDP doesn't require FDI link, so just set DP M/N
according to current link config */
- if (is_edp) {
+ if (has_edp_encoder) {
target_clock = mode->clock;
- intel_edp_link_config(intel_encoder,
- &lane, &link_bw);
+ intel_edp_link_config(has_edp_encoder,
+ &lane, &link_bw);
} else {
/* DP over FDI requires target mode clock
instead of link clock */
@@ -3663,7 +3662,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
temp |= PIPE_8BPC;
else
temp |= PIPE_6BPC;
- } else if (is_edp || (is_dp && intel_pch_has_edp(crtc))) {
+ } else if (has_edp_encoder || (is_dp && intel_pch_has_edp(crtc))) {
switch (dev_priv->edp_bpp/3) {
case 8:
temp |= PIPE_8BPC;
@@ -3736,7 +3735,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
udelay(200);
- if (is_edp) {
+ if (has_edp_encoder) {
if (dev_priv->lvds_use_ssc) {
temp |= DREF_SSC1_ENABLE;
I915_WRITE(PCH_DREF_CONTROL, temp);
@@ -3885,7 +3884,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
dpll_reg = pch_dpll_reg;
}
- if (!is_edp) {
+ if (!has_edp_encoder) {
I915_WRITE(fp_reg, fp);
I915_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
I915_READ(dpll_reg);
@@ -3980,7 +3979,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
}
}
- if (!is_edp) {
+ if (!has_edp_encoder) {
I915_WRITE(fp_reg, fp);
I915_WRITE(dpll_reg, dpll);
I915_READ(dpll_reg);
@@ -4059,7 +4058,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
I915_WRITE(link_m1_reg, m_n.link_m);
I915_WRITE(link_n1_reg, m_n.link_n);
- if (is_edp) {
+ if (has_edp_encoder) {
ironlake_set_pll_edp(crtc, adjusted_mode->clock);
} else {
/* enable FDI RX PLL too */