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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b65dc04f1289..0da4753e9a2d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4737,8 +4737,17 @@ sandybridge_compute_sprite_srwm(struct drm_device *dev, int plane,
crtc = intel_get_crtc_for_plane(dev, plane);
clock = crtc->mode.clock;
+ if (!clock) {
+ *sprite_wm = 0;
+ return false;
+ }
line_time_us = (sprite_width * 1000) / clock;
+ if (!line_time_us) {
+ *sprite_wm = 0;
+ return false;
+ }
+
line_count = (latency_ns / line_time_us + 1000) / 1000;
line_size = sprite_width * pixel_size;
@@ -6268,7 +6277,7 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
int i;
/* The clocks have to be on to load the palette. */
- if (!crtc->enabled)
+ if (!crtc->enabled || !intel_crtc->active)
return;
/* use legacy palette for Ironlake */
@@ -6654,7 +6663,7 @@ intel_framebuffer_create_for_mode(struct drm_device *dev,
mode_cmd.height = mode->vdisplay;
mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width,
bpp);
- mode_cmd.pixel_format = 0;
+ mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
return intel_framebuffer_create(dev, &mode_cmd, obj);
}
@@ -8275,8 +8284,8 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
if (intel_enable_rc6(dev_priv->dev))
- rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
- GEN6_RC_CTL_RC6_ENABLE;
+ rc6_mask = GEN6_RC_CTL_RC6_ENABLE |
+ ((IS_GEN7(dev_priv->dev)) ? GEN6_RC_CTL_RC6p_ENABLE : 0);
I915_WRITE(GEN6_RC_CONTROL,
rc6_mask |
@@ -8554,12 +8563,32 @@ static void ivybridge_init_clock_gating(struct drm_device *dev)
I915_WRITE(WM2_LP_ILK, 0);
I915_WRITE(WM1_LP_ILK, 0);
+ /* According to the spec, bit 13 (RCZUNIT) must be set on IVB.
+ * This implements the WaDisableRCZUnitClockGating workaround.
+ */
+ I915_WRITE(GEN6_UCGCTL2, GEN6_RCZUNIT_CLOCK_GATE_DISABLE);
+
I915_WRITE(ILK_DSPCLK_GATE, IVB_VRHUNIT_CLK_GATE);
I915_WRITE(IVB_CHICKEN3,
CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE |
CHICKEN3_DGMG_DONE_FIX_DISABLE);
+ /* Apply the WaDisableRHWOOptimizationForRenderHang workaround. */
+ I915_WRITE(GEN7_COMMON_SLICE_CHICKEN1,
+ GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC);
+
+ /* WaApplyL3ControlAndL3ChickenMode requires those two on Ivy Bridge */
+ I915_WRITE(GEN7_L3CNTLREG1,
+ GEN7_WA_FOR_GEN7_L3_CONTROL);
+ I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER,
+ GEN7_WA_L3_CHICKEN_MODE);
+
+ /* This is required by WaCatErrorRejectionIssue */
+ I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG,
+ I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) |
+ GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB);
+
for_each_pipe(pipe) {
I915_WRITE(DSPCNTR(pipe),
I915_READ(DSPCNTR(pipe)) |
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