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authorTobias Jakobi <tjakobi@math.uni-bielefeld.de>2015-05-06 14:10:22 +0200
committerInki Dae <daeinki@gmail.com>2015-05-19 22:50:54 +0900
commit5b1d5bc690a9666b375496f5d680278f19687bc4 (patch)
treee03e69779fdf3bc893d08485cc6126ca55399b67 /drivers
parentdrm/exynos: mixer: don't dump registers under spinlock (diff)
downloadlinux-dev-5b1d5bc690a9666b375496f5d680278f19687bc4.tar.xz
linux-dev-5b1d5bc690a9666b375496f5d680278f19687bc4.zip
drm/exynos: 'win' is always unsigned
The index for the hardware layer is always >=0. Previous code that also used -1 as special index is now gone. Also apply this to 'ch_enabled' (decon/fimd), since the variable is on the same line (and is again always unsigned). Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/exynos/exynos7_drm_decon.c2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c7
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c7
3 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
index 3d00df76220d..6714e5b193ea 100644
--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
@@ -91,7 +91,7 @@ static void decon_wait_for_vblank(struct exynos_drm_crtc *crtc)
static void decon_clear_channel(struct decon_context *ctx)
{
- int win, ch_enabled = 0;
+ unsigned int win, ch_enabled = 0;
DRM_DEBUG_KMS("%s\n", __FILE__);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index d704f2ba7179..a0edab833148 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -215,7 +215,7 @@ static void fimd_wait_for_vblank(struct exynos_drm_crtc *crtc)
DRM_DEBUG_KMS("vblank wait timed out.\n");
}
-static void fimd_enable_video_output(struct fimd_context *ctx, int win,
+static void fimd_enable_video_output(struct fimd_context *ctx, unsigned int win,
bool enable)
{
u32 val = readl(ctx->regs + WINCON(win));
@@ -228,7 +228,8 @@ static void fimd_enable_video_output(struct fimd_context *ctx, int win,
writel(val, ctx->regs + WINCON(win));
}
-static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, int win,
+static void fimd_enable_shadow_channel_path(struct fimd_context *ctx,
+ unsigned int win,
bool enable)
{
u32 val = readl(ctx->regs + SHADOWCON);
@@ -243,7 +244,7 @@ static void fimd_enable_shadow_channel_path(struct fimd_context *ctx, int win,
static void fimd_clear_channel(struct fimd_context *ctx)
{
- int win, ch_enabled = 0;
+ unsigned int win, ch_enabled = 0;
DRM_DEBUG_KMS("%s\n", __FILE__);
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 285e1569e6ad..8874c1fcb3ab 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -333,7 +333,8 @@ static void mixer_cfg_rgb_fmt(struct mixer_context *ctx, unsigned int height)
mixer_reg_writemask(res, MXR_CFG, val, MXR_CFG_RGB_FMT_MASK);
}
-static void mixer_cfg_layer(struct mixer_context *ctx, int win, bool enable)
+static void mixer_cfg_layer(struct mixer_context *ctx, unsigned int win,
+ bool enable)
{
struct mixer_resources *res = &ctx->mixer_res;
u32 val = enable ? ~0 : 0;
@@ -379,7 +380,7 @@ static void mixer_stop(struct mixer_context *ctx)
usleep_range(10000, 12000);
}
-static void vp_video_buffer(struct mixer_context *ctx, int win)
+static void vp_video_buffer(struct mixer_context *ctx, unsigned int win)
{
struct mixer_resources *res = &ctx->mixer_res;
unsigned long flags;
@@ -511,7 +512,7 @@ fail:
return -ENOTSUPP;
}
-static void mixer_graph_buffer(struct mixer_context *ctx, int win)
+static void mixer_graph_buffer(struct mixer_context *ctx, unsigned int win)
{
struct mixer_resources *res = &ctx->mixer_res;
unsigned long flags;