diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index f7f4ef17cbe40c65b0d2c83a66aec2e23fe65d0f..1464e472ce44ed28d32694a16d661d29c705c5e7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6313,7 +6313,7 @@ bool intel_get_load_detect_pipe(struct drm_connector *connector,
return false;
}
- if (!intel_set_mode(crtc, mode, 0, 0, fb)) {
+ if (intel_set_mode(crtc, mode, 0, 0, fb)) {
DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n");
if (old->release_fb)
old->release_fb->funcs->destroy(old->release_fb);
@@ -7426,22 +7426,20 @@ intel_modeset_check_state(struct drm_device *dev)
}
}
-bool intel_set_mode(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- int x, int y, struct drm_framebuffer *fb)
+int intel_set_mode(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ int x, int y, struct drm_framebuffer *fb)
{
struct drm_device *dev = crtc->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_display_mode *adjusted_mode, *saved_mode, *saved_hwmode;
struct intel_crtc *intel_crtc;
unsigned disable_pipes, prepare_pipes, modeset_pipes;
- bool ret = true;
+ int ret = 0;
saved_mode = kmalloc(2 * sizeof(*saved_mode), GFP_KERNEL);
- if (!saved_mode) {
- DRM_ERROR("i915: Could not allocate saved display mode.\n");
- return false;
- }
+ if (!saved_mode)
+ return -ENOMEM;
saved_hwmode = saved_mode + 1;
intel_modeset_affected_pipes(crtc, &modeset_pipes,
@@ -7465,7 +7463,7 @@ bool intel_set_mode(struct drm_crtc *crtc,
if (modeset_pipes) {
adjusted_mode = intel_modeset_adjusted_mode(crtc, mode);
if (IS_ERR(adjusted_mode)) {
- ret = false;
+ ret = PTR_ERR(adjusted_mode);
goto out;
}
}
@@ -7492,11 +7490,11 @@ bool intel_set_mode(struct drm_crtc *crtc,
* on the DPLL.
*/
for_each_intel_crtc_masked(dev, modeset_pipes, intel_crtc) {
- ret = !intel_crtc_mode_set(&intel_crtc->base,
- mode, adjusted_mode,
- x, y, fb);
- if (!ret)
- goto done;
+ ret = intel_crtc_mode_set(&intel_crtc->base,
+ mode, adjusted_mode,
+ x, y, fb);
+ if (ret)
+ goto done;
}
/* Now enable the clocks, plane, pipe, and connectors that we set up. */
@@ -7517,7 +7515,7 @@ bool intel_set_mode(struct drm_crtc *crtc,
/* FIXME: add subpixel order */
done:
drm_mode_destroy(dev, adjusted_mode);
- if (!ret && crtc->enabled) {
+ if (ret && crtc->enabled) {
crtc->hwmode = *saved_hwmode;
crtc->mode = *saved_mode;
} else {
@@ -7529,6 +7527,11 @@ bool intel_set_mode(struct drm_crtc *crtc,
return ret;
}
+void intel_crtc_restore_mode(struct drm_crtc *crtc)
+{
+ intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y, crtc->fb);
+}
+
#undef for_each_intel_crtc_masked
static void intel_set_config_free(struct intel_set_config *config)
@@ -7798,11 +7801,11 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
drm_mode_debug_printmodeline(set->mode);
}
- if (!intel_set_mode(set->crtc, set->mode,
- set->x, set->y, set->fb)) {
- DRM_ERROR("failed to set mode on [CRTC:%d]\n",
- set->crtc->base.id);
- ret = -EINVAL;
+ ret = intel_set_mode(set->crtc, set->mode,
+ set->x, set->y, set->fb);
+ if (ret) {
+ DRM_ERROR("failed to set mode on [CRTC:%d], err = %d\n",
+ set->crtc->base.id, ret);
goto fail;
}
} else if (config->fb_changed) {
@@ -7819,8 +7822,8 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
/* Try to restore the config */
if (config->mode_changed &&
- !intel_set_mode(save_set.crtc, save_set.mode,
- save_set.x, save_set.y, save_set.fb))
+ intel_set_mode(save_set.crtc, save_set.mode,
+ save_set.x, save_set.y, save_set.fb))
DRM_ERROR("failed to restore config after modeset failure\n");
out_config:
@@ -8804,11 +8807,8 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
}
if (force_restore) {
- for_each_pipe(pipe) {
- crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
- intel_set_mode(&crtc->base, &crtc->base.mode,
- crtc->base.x, crtc->base.y, crtc->base.fb);
- }
+ for_each_pipe(pipe)
+ intel_crtc_restore_mode(dev_priv->pipe_to_crtc_mapping[pipe]);
} else {
intel_modeset_update_staged_output_state(dev);
}
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2d3b2683239751877705048d20c39b355575bff1..1dd89d5fe51115a6ba2715ed153d323621852ab6 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2483,11 +2483,8 @@ intel_dp_set_property(struct drm_connector *connector,
return -EINVAL;
done:
- if (intel_encoder->base.crtc) {
- struct drm_crtc *crtc = intel_encoder->base.crtc;
- intel_set_mode(crtc, &crtc->mode,
- crtc->x, crtc->y, crtc->fb);
- }
+ if (intel_encoder->base.crtc)
+ intel_crtc_restore_mode(intel_encoder->base.crtc);
return 0;
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 53d4c8fec2a0b7eb467ab1b129c4709b1c6d7b87..116580b623dd232a5c6a6c27b5f5a88c97d3c1e6 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -501,9 +501,10 @@ struct intel_set_config {
bool mode_changed;
};
-extern bool intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
- int x, int y, struct drm_framebuffer *old_fb);
+extern int intel_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode,
+ int x, int y, struct drm_framebuffer *old_fb);
extern void intel_modeset_disable(struct drm_device *dev);
+extern void intel_crtc_restore_mode(struct drm_crtc *crtc);
extern void intel_crtc_load_lut(struct drm_crtc *crtc);
extern void intel_crtc_update_dpms(struct drm_crtc *crtc);
extern void intel_encoder_noop(struct drm_encoder *encoder);
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 9f834d324cfdbfa5713b9c447484155c9a0028fe..6387f9b0df994fa9ea8306f1dd3f906ad3b75018 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -917,11 +917,8 @@ intel_hdmi_set_property(struct drm_connector *connector,
return -EINVAL;
done:
- if (intel_dig_port->base.base.crtc) {
- struct drm_crtc *crtc = intel_dig_port->base.base.crtc;
- intel_set_mode(crtc, &crtc->mode,
- crtc->x, crtc->y, crtc->fb);
- }
+ if (intel_dig_port->base.base.crtc)
+ intel_crtc_restore_mode(intel_dig_port->base.base.crtc);
return 0;
}
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 778106961e804ba4f2d1e2615e12457d0556f89e..8c61876dbe95fd1eef82bc5bd583df10d703a62a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -646,8 +646,7 @@ static int intel_lvds_set_property(struct drm_connector *connector,
* If the CRTC is enabled, the display will be changed
* according to the new panel fitting mode.
*/
- intel_set_mode(crtc, &crtc->mode,
- crtc->x, crtc->y, crtc->fb);
+ intel_crtc_restore_mode(crtc);
}
}
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 0e03985b0fe4c8638170409e2ecfd2a10268f270..ea2e79f63d2b757fd8fe03dc3d96f9973df9b6b3 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1997,11 +1997,8 @@ intel_sdvo_set_property(struct drm_connector *connector,
done:
- if (intel_sdvo->base.base.crtc) {
- struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
- intel_set_mode(crtc, &crtc->mode,
- crtc->x, crtc->y, crtc->fb);
- }
+ if (intel_sdvo->base.base.crtc)
+ intel_crtc_restore_mode(intel_sdvo->base.base.crtc);
return 0;
#undef CHECK_PROPERTY
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index ea93520c127820fc701a3dcddd173cc8d6598bf1..984a113c5d136770d340a84f0398f7c2b10e1b74 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1479,8 +1479,7 @@ intel_tv_set_property(struct drm_connector *connector, struct drm_property *prop
}
if (changed && crtc)
- intel_set_mode(crtc, &crtc->mode,
- crtc->x, crtc->y, crtc->fb);
+ intel_crtc_restore_mode(crtc);
out:
return ret;
}