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authorAlan Cox <alan@linux.intel.com>2011-07-15 17:35:24 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-07-15 19:05:08 +0200
commitf75c7538c5ee3bfd0ac50d20457e773c43858a75 (patch)
tree09ab6972ed5511c967d7a7d970bd88be94d2fcb8 /drivers/staging
parent83c871ee2b60619d74d03eaf6f75a7d9c3cb0e45 (diff)
downloadblackbird-obmc-linux-f75c7538c5ee3bfd0ac50d20457e773c43858a75.tar.gz
blackbird-obmc-linux-f75c7538c5ee3bfd0ac50d20457e773c43858a75.zip
gma500: Use the mrst helpers and power control for mode commit
We want to hit the MM panel backlight when appropriate Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/gma500/mrst_lvds.c29
-rw-r--r--drivers/staging/gma500/psb_drv.h2
-rw-r--r--drivers/staging/gma500/psb_intel_lvds.c4
3 files changed, 29 insertions, 6 deletions
diff --git a/drivers/staging/gma500/mrst_lvds.c b/drivers/staging/gma500/mrst_lvds.c
index 108f245553e6..25fde4cc910e 100644
--- a/drivers/staging/gma500/mrst_lvds.c
+++ b/drivers/staging/gma500/mrst_lvds.c
@@ -147,13 +147,38 @@ static void mrst_lvds_mode_set(struct drm_encoder *encoder,
gma_power_end(dev);
}
+static void mrst_lvds_prepare(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
+
+ if (!gma_power_begin(dev, true))
+ return;
+
+ mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
+ mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
+ BACKLIGHT_DUTY_CYCLE_MASK);
+ mrst_lvds_set_power(dev, output, false);
+ gma_power_end(dev);
+}
+
+static void mrst_lvds_commit(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
+
+ if (mode_dev->backlight_duty_cycle == 0)
+ mode_dev->backlight_duty_cycle =
+ psb_intel_lvds_get_max_backlight(dev);
+ mrst_lvds_set_power(dev, output, true);
+}
static const struct drm_encoder_helper_funcs mrst_lvds_helper_funcs = {
.dpms = mrst_lvds_dpms,
.mode_fixup = psb_intel_lvds_mode_fixup,
- .prepare = psb_intel_lvds_prepare,
+ .prepare = mrst_intel_lvds_prepare,
.mode_set = mrst_lvds_mode_set,
- .commit = psb_intel_lvds_commit,
+ .commit = mrst_intel_lvds_commit,
};
static struct drm_display_mode lvds_configuration_modes[] = {
diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h
index 829657b52ecb..194c64fb6c68 100644
--- a/drivers/staging/gma500/psb_drv.h
+++ b/drivers/staging/gma500/psb_drv.h
@@ -792,8 +792,6 @@ extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
/* psb_intel_lvds.c */
-extern void psb_intel_lvds_prepare(struct drm_encoder *encoder);
-extern void psb_intel_lvds_commit(struct drm_encoder *encoder);
extern const struct drm_connector_helper_funcs
psb_intel_lvds_connector_helper_funcs;
extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c
index 53803b25cadb..c6436da60732 100644
--- a/drivers/staging/gma500/psb_intel_lvds.c
+++ b/drivers/staging/gma500/psb_intel_lvds.c
@@ -432,7 +432,7 @@ bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
return true;
}
-void psb_intel_lvds_prepare(struct drm_encoder *encoder)
+static void psb_intel_lvds_prepare(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
@@ -450,7 +450,7 @@ void psb_intel_lvds_prepare(struct drm_encoder *encoder)
gma_power_end(dev);
}
-void psb_intel_lvds_commit(struct drm_encoder *encoder)
+static void psb_intel_lvds_commit(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
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