diff options
| author | YoungJun Cho <yj44.cho@samsung.com> | 2014-11-17 13:00:10 (GMT) |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2014-11-24 09:02:53 (GMT) |
| commit | f181a543c76fdcf240ef39d24520141070701bdc (patch) | |
| tree | 53f1e302c76cd1195b53b9efde1e7fd1b3ca5824 /drivers/gpu/drm/exynos | |
| parent | 74944a58f9def188d506d3eef19fd34f293219f7 (diff) | |
| download | linux-f181a543c76fdcf240ef39d24520141070701bdc.tar.xz | |
drm/exynos: fimd: add fimd_enable_video_output() to cleanup
This bit is used for video output and logic signal control.
So it is better for readability.
Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 77ba961..5cfd251 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -229,6 +229,19 @@ static void fimd_wait_for_vblank(struct exynos_drm_manager *mgr) DRM_DEBUG_KMS("vblank wait timed out.\n"); } +static void fimd_enable_video_output(struct fimd_context *ctx, int win, + bool enable) +{ + u32 val = readl(ctx->regs + WINCON(win)); + + if (enable) + val |= WINCONx_ENWIN; + else + val &= ~WINCONx_ENWIN; + + writel(val, ctx->regs + WINCON(win)); +} + static void fimd_clear_channel(struct exynos_drm_manager *mgr) { struct fimd_context *ctx = mgr->ctx; @@ -241,9 +254,7 @@ static void fimd_clear_channel(struct exynos_drm_manager *mgr) u32 val = readl(ctx->regs + WINCON(win)); if (val & WINCONx_ENWIN) { - /* wincon */ - val &= ~WINCONx_ENWIN; - writel(val, ctx->regs + WINCON(win)); + fimd_enable_video_output(ctx, win, false); /* unprotect windows */ if (ctx->driver_data->has_shadowcon) { @@ -746,10 +757,7 @@ static void fimd_win_commit(struct exynos_drm_manager *mgr, int zpos) if (win != 0) fimd_win_set_colkey(ctx, win); - /* wincon */ - val = readl(ctx->regs + WINCON(win)); - val |= WINCONx_ENWIN; - writel(val, ctx->regs + WINCON(win)); + fimd_enable_video_output(ctx, win, true); if (ctx->driver_data->has_shadowcon) { val = readl(ctx->regs + SHADOWCON); @@ -790,10 +798,7 @@ static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos) /* protect windows */ fimd_shadow_protect_win(ctx, win, true); - /* wincon */ - val = readl(ctx->regs + WINCON(win)); - val &= ~WINCONx_ENWIN; - writel(val, ctx->regs + WINCON(win)); + fimd_enable_video_output(ctx, win, false); /* unprotect windows */ if (ctx->driver_data->has_shadowcon) { |