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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2017-06-12 12:21:13 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2017-06-12 16:05:45 +0200
commitb037d58f976204544f4266840f3538d2ed7e01d9 (patch)
treeef8109c66430080bb63fa816a3182c9b1e0b5d2c /drivers/gpu/drm/i915/intel_lvds.c
parentdrm/i915: Fix GVT-g PVINFO version compatibility check (diff)
downloadlinux-dev-b037d58f976204544f4266840f3538d2ed7e01d9.tar.xz
linux-dev-b037d58f976204544f4266840f3538d2ed7e01d9.zip
drm/i915: Pass crtc_state and connector state to backlight enable/disable functions
The backlight functions need to determine the pipe and the transcoder the backlight will be enabled on, so pass crtc_state instead of trying to dereference the state without holding locks. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100022 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170612102115.23665-2-maarten.lankhorst@linux.intel.com Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index d2c2bca1b327..6fe5d7c3bc23 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -311,8 +311,6 @@ static void intel_enable_lvds(struct intel_encoder *encoder,
{
struct drm_device *dev = encoder->base.dev;
struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
- struct intel_connector *intel_connector =
- &lvds_encoder->attached_connector->base;
struct drm_i915_private *dev_priv = to_i915(dev);
I915_WRITE(lvds_encoder->reg, I915_READ(lvds_encoder->reg) | LVDS_PORT_EN);
@@ -322,7 +320,7 @@ static void intel_enable_lvds(struct intel_encoder *encoder,
if (intel_wait_for_register(dev_priv, PP_STATUS(0), PP_ON, PP_ON, 1000))
DRM_ERROR("timed out waiting for panel to power on\n");
- intel_panel_enable_backlight(intel_connector);
+ intel_panel_enable_backlight(pipe_config, conn_state);
}
static void intel_disable_lvds(struct intel_encoder *encoder,
@@ -345,11 +343,7 @@ static void gmch_disable_lvds(struct intel_encoder *encoder,
struct drm_connector_state *old_conn_state)
{
- struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
- struct intel_connector *intel_connector =
- &lvds_encoder->attached_connector->base;
-
- intel_panel_disable_backlight(intel_connector);
+ intel_panel_disable_backlight(old_conn_state);
intel_disable_lvds(encoder, old_crtc_state, old_conn_state);
}
@@ -358,11 +352,7 @@ static void pch_disable_lvds(struct intel_encoder *encoder,
struct intel_crtc_state *old_crtc_state,
struct drm_connector_state *old_conn_state)
{
- struct intel_lvds_encoder *lvds_encoder = to_lvds_encoder(&encoder->base);
- struct intel_connector *intel_connector =
- &lvds_encoder->attached_connector->base;
-
- intel_panel_disable_backlight(intel_connector);
+ intel_panel_disable_backlight(old_conn_state);
}
static void pch_post_disable_lvds(struct intel_encoder *encoder,