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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.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f442e0bc8e9f..9b0d6b03aa1c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4721,6 +4721,45 @@ static void intel_set_pipe_timings(struct intel_crtc *intel_crtc,
((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
}
+static void intel_get_pipe_timings(struct intel_crtc *crtc,
+ struct intel_crtc_config *pipe_config)
+{
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
+ uint32_t tmp;
+
+ tmp = I915_READ(HTOTAL(cpu_transcoder));
+ pipe_config->adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1;
+ pipe_config->adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1;
+ tmp = I915_READ(HBLANK(cpu_transcoder));
+ pipe_config->adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1;
+ pipe_config->adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1;
+ tmp = I915_READ(HSYNC(cpu_transcoder));
+ pipe_config->adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1;
+ pipe_config->adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1;
+
+ tmp = I915_READ(VTOTAL(cpu_transcoder));
+ pipe_config->adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1;
+ pipe_config->adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1;
+ tmp = I915_READ(VBLANK(cpu_transcoder));
+ pipe_config->adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1;
+ pipe_config->adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1;
+ tmp = I915_READ(VSYNC(cpu_transcoder));
+ pipe_config->adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1;
+ pipe_config->adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1;
+
+ if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) {
+ pipe_config->adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE;
+ pipe_config->adjusted_mode.crtc_vtotal += 1;
+ pipe_config->adjusted_mode.crtc_vblank_end += 1;
+ }
+
+ tmp = I915_READ(PIPESRC(crtc->pipe));
+ pipe_config->requested_mode.vdisplay = (tmp & 0xffff) + 1;
+ pipe_config->requested_mode.hdisplay = ((tmp >> 16) & 0xffff) + 1;
+}
+
static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
{
struct drm_device *dev = intel_crtc->base.dev;
@@ -4937,6 +4976,8 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
if (!(tmp & PIPECONF_ENABLE))
return false;
+ intel_get_pipe_timings(crtc, pipe_config);
+
return true;
}
@@ -5854,6 +5895,8 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
ironlake_get_fdi_m_n_config(crtc, pipe_config);
}
+ intel_get_pipe_timings(crtc, pipe_config);
+
return true;
}
@@ -6001,6 +6044,8 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
ironlake_get_fdi_m_n_config(crtc, pipe_config);
}
+ intel_get_pipe_timings(crtc, pipe_config);
+
return true;
}
@@ -7978,6 +8023,15 @@ intel_pipe_config_compare(struct intel_crtc_config *current_config,
return false; \
}
+#define PIPE_CONF_CHECK_FLAGS(name, mask) \
+ if ((current_config->name ^ pipe_config->name) & (mask)) { \
+ DRM_ERROR("mismatch in " #name " " \
+ "(expected %i, found %i)\n", \
+ current_config->name & (mask), \
+ pipe_config->name & (mask)); \
+ return false; \
+ }
+
PIPE_CONF_CHECK_I(has_pch_encoder);
PIPE_CONF_CHECK_I(fdi_lanes);
PIPE_CONF_CHECK_I(fdi_m_n.gmch_m);
@@ -7986,7 +8040,28 @@ intel_pipe_config_compare(struct intel_crtc_config *current_config,
PIPE_CONF_CHECK_I(fdi_m_n.link_n);
PIPE_CONF_CHECK_I(fdi_m_n.tu);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_hdisplay);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_htotal);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_start);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_hblank_end);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_start);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_hsync_end);
+
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_vdisplay);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_vtotal);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_start);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_vblank_end);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_start);
+ PIPE_CONF_CHECK_I(adjusted_mode.crtc_vsync_end);
+
+ PIPE_CONF_CHECK_FLAGS(adjusted_mode.flags,
+ DRM_MODE_FLAG_INTERLACE);
+
+ PIPE_CONF_CHECK_I(requested_mode.hdisplay);
+ PIPE_CONF_CHECK_I(requested_mode.vdisplay);
+
#undef PIPE_CONF_CHECK_I
+#undef PIPE_CONF_CHECK_FLAGS
return true;
}