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drm/exynos: 'win' is always unsigned

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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>
This commit is contained in:
Tobias Jakobi 2015-05-06 14:10:22 +02:00 committed by Inki Dae
parent c0734fbaf4
commit 5b1d5bc690
3 changed files with 9 additions and 7 deletions
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2
drivers/gpu/drm/exynos/exynos7_drm_decon.c
View file

@ -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__);

7
drivers/gpu/drm/exynos/exynos_drm_fimd.c
View file

@ -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__);

7
drivers/gpu/drm/exynos/exynos_mixer.c
View file

@ -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 @@ static int mixer_setup_scale(const struct exynos_drm_plane *plane,
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;