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authorMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 06:55:49 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-11 06:55:49 -0300
commitc897df0e2dbc81bcc09c11425658d69830825364 (patch)
tree04c268e4951f2b75acb6873307673e45d05a635e /drivers/gpu/drm/tegra
parent1e9c4d49020996a645a535cbb8f1ff78b9b120f3 (diff)
parent0414855fdc4a40da05221fc6062cccbc0c30f169 (diff)
downloadop-kernel-dev-c897df0e2dbc81bcc09c11425658d69830825364.zip
op-kernel-dev-c897df0e2dbc81bcc09c11425658d69830825364.tar.gz
Merge tag 'v3.14-rc5' into patchwork
Linux 3.14-rc5 * tag 'v3.14-rc5': (1117 commits) Linux 3.14-rc5 drm/vmwgfx: avoid null pointer dereference at failure paths drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date. drm/vmwgfx: Remove some unused surface formats MAINTAINERS: add maintainer entry for Armada DRM driver arm64: Fix !CONFIG_SMP kernel build arm64: mm: Add double logical invert to pte accessors dm cache: fix truncation bug when mapping I/O to >2TB fast device perf tools: Fix strict alias issue for find_first_bit powerpc/powernv: Fix indirect XSCOM unmangling powerpc/powernv: Fix opal_xscom_{read,write} prototype powerpc/powernv: Refactor PHB diag-data dump powerpc/powernv: Dump PHB diag-data immediately powerpc: Increase stack redzone for 64-bit userspace to 512 bytes powerpc/ftrace: bugfix for test_24bit_addr powerpc/crashdump : Fix page frame number check in copy_oldmem_page powerpc/le: Ensure that the 'stop-self' RTAS token is handled correctly kvm, vmx: Really fix lazy FPU on nested guest perf tools: fix BFD detection on opensuse drm/radeon: enable speaker allocation setup on dce3.2 ...
Diffstat (limited to 'drivers/gpu/drm/tegra')
-rw-r--r--drivers/gpu/drm/tegra/drm.c2
-rw-r--r--drivers/gpu/drm/tegra/rgb.c11
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 88a5290..c715947 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -104,7 +104,7 @@ static void tegra_drm_context_free(struct tegra_drm_context *context)
static void tegra_drm_lastclose(struct drm_device *drm)
{
-#ifdef CONFIG_TEGRA_DRM_FBDEV
+#ifdef CONFIG_DRM_TEGRA_FBDEV
struct tegra_drm *tegra = drm->dev_private;
tegra_fbdev_restore_mode(tegra->fbdev);
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 338f7f6..0266fb4 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -15,6 +15,7 @@
struct tegra_rgb {
struct tegra_output output;
struct tegra_dc *dc;
+ bool enabled;
struct clk *clk_parent;
struct clk *clk;
@@ -89,6 +90,9 @@ static int tegra_output_rgb_enable(struct tegra_output *output)
struct tegra_rgb *rgb = to_rgb(output);
unsigned long value;
+ if (rgb->enabled)
+ return 0;
+
tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable));
value = DE_SELECT_ACTIVE | DE_CONTROL_NORMAL;
@@ -122,6 +126,8 @@ static int tegra_output_rgb_enable(struct tegra_output *output)
tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL);
tegra_dc_writel(rgb->dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL);
+ rgb->enabled = true;
+
return 0;
}
@@ -130,6 +136,9 @@ static int tegra_output_rgb_disable(struct tegra_output *output)
struct tegra_rgb *rgb = to_rgb(output);
unsigned long value;
+ if (!rgb->enabled)
+ return 0;
+
value = tegra_dc_readl(rgb->dc, DC_CMD_DISPLAY_POWER_CONTROL);
value &= ~(PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE |
PW4_ENABLE | PM0_ENABLE | PM1_ENABLE);
@@ -144,6 +153,8 @@ static int tegra_output_rgb_disable(struct tegra_output *output)
tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
+ rgb->enabled = false;
+
return 0;
}
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