[Intel-gfx] [PATCH 2/4] drm/i915: copy fetched mode state into crtc at setup_hw time

[Jesse Barnes]

We already fetch and track other state into the main CRTC and encoder
structs, and for fastboot we need to do the same with the mode and clock
data we read out.

Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_display.c |   29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3d95a0e..53ad51c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4788,6 +4788,24 @@ static void intel_get_pipe_timings(struct intel_crtc *crtc,
 	pipe_config->requested_mode.hdisplay = ((tmp >> 16) & 0xffff) + 1;
 }
 
+static void intel_pipe_config_to_crtc(struct intel_crtc *intel_crtc,
+				      struct intel_crtc_config *pipe_config)
+{
+	struct drm_crtc *crtc = &intel_crtc->base;
+
+	crtc->mode.hdisplay = pipe_config->adjusted_mode.crtc_hdisplay;
+	crtc->mode.htotal = pipe_config->adjusted_mode.crtc_htotal;
+	crtc->mode.hsync_start = pipe_config->adjusted_mode.crtc_hsync_start;
+	crtc->mode.hsync_end = pipe_config->adjusted_mode.crtc_hsync_end;
+
+	crtc->mode.vdisplay = pipe_config->adjusted_mode.crtc_vdisplay;
+	crtc->mode.vtotal = pipe_config->adjusted_mode.crtc_vtotal;
+	crtc->mode.vsync_start = pipe_config->adjusted_mode.crtc_vsync_start;
+	crtc->mode.vsync_end = pipe_config->adjusted_mode.crtc_vsync_end;
+
+	crtc->mode.flags = pipe_config->adjusted_mode.flags;
+}
+
 static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
 {
 	struct drm_device *dev = intel_crtc->base.dev;
@@ -9578,6 +9596,13 @@ setup_pipes:
 
 		crtc->base.enabled = crtc->active;
 
+		if (crtc->active) {
+			intel_pipe_config_to_crtc(crtc, &crtc->config);
+
+			DRM_DEBUG_KMS("[CRTC:%d] found active mode: ");
+			drm_mode_debug_printmodeline(&crtc->base.mode);
+		}
+
 		DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n",
 			      crtc->base.base.id,
 			      crtc->active ? "enabled" : "disabled");
@@ -9596,6 +9621,10 @@ setup_pipes:
 				encoder->get_config(encoder, &crtc->config);
 				dev_priv->display.get_clock(crtc,
 							    &crtc->config);
+				crtc->base.mode.clock =
+					crtc->config.adjusted_mode.clock;
+				crtc->base.mode.flags |=
+					crtc->config.adjusted_mode.flags;
 			}
 			encoder->base.crtc = &crtc->base;
 		} else {
-- 
1.7.9.5