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drm/exynos/decon5433: simplify shadow protect code

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There is no point in protecting only particular windows during update.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2017-03-15 15:41:10 +01:00 committed by Inki Dae
parent 3ba808456b
commit b2adc53075
2 changed files with 8 additions and 13 deletions
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20
drivers/gpu/drm/exynos/exynos5433_drm_decon.c
View File

@ -313,23 +313,20 @@ static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
writel(val, ctx->addr + DECON_WINCONx(win));
}
static void decon_shadow_protect_win(struct decon_context *ctx, int win,
bool protect)
static void decon_shadow_protect(struct decon_context *ctx, bool protect)
{
decon_set_bits(ctx, DECON_SHADOWCON, SHADOWCON_Wx_PROTECT(win),
decon_set_bits(ctx, DECON_SHADOWCON, SHADOWCON_PROTECT_MASK,
protect ? ~0 : 0);
}
static void decon_atomic_begin(struct exynos_drm_crtc *crtc)
{
struct decon_context *ctx = crtc->ctx;
int i;
if (test_bit(BIT_SUSPENDED, &ctx->flags))
return;
for (i = ctx->first_win; i < WINDOWS_NR; i++)
decon_shadow_protect_win(ctx, i, true);
decon_shadow_protect(ctx, true);
}
#define BIT_VAL(x, e, s) (((x) & ((1 << ((e) - (s) + 1)) - 1)) << (s))
@ -412,15 +409,13 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
{
struct decon_context *ctx = crtc->ctx;
unsigned long flags;
int i;
if (test_bit(BIT_SUSPENDED, &ctx->flags))
return;
spin_lock_irqsave(&ctx->vblank_lock, flags);
for (i = ctx->first_win; i < WINDOWS_NR; i++)
decon_shadow_protect_win(ctx, i, false);
decon_shadow_protect(ctx, false);
decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
@ -540,11 +535,10 @@ static void decon_clear_channels(struct exynos_drm_crtc *crtc)
goto err;
}
for (win = 0; win < WINDOWS_NR; win++) {
decon_shadow_protect_win(ctx, win, true);
decon_shadow_protect(ctx, true);
for (win = 0; win < WINDOWS_NR; win++)
decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
decon_shadow_protect_win(ctx, win, false);
}
decon_shadow_protect(ctx, false);
decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);

1
include/video/exynos5433_decon.h
View File

@ -118,6 +118,7 @@
#define WINCONx_ENWIN_F (1 << 0)
/* SHADOWCON */
#define SHADOWCON_PROTECT_MASK GENMASK(14, 10)
#define SHADOWCON_Wx_PROTECT(n) (1 << (10 + (n)))
/* VIDOSDxD */