DECON should be updated after un-protecting windows and after changing output parameters, otherwise image is not displayed in case of HDMI path.
Signed-off-by: Andrzej Hajda a.hajda@samsung.com --- drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index ab9154e..7fec656 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -191,6 +191,8 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
/* enable output and display signal */ decon_set_bits(ctx, DECON_VIDCON0, VIDCON0_ENVID | VIDCON0_ENVID_F, ~0); + + decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); }
static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win, @@ -316,9 +318,6 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
/* window enable */ decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, ~0); - - /* standalone update */ - decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); }
static void decon_disable_plane(struct exynos_drm_crtc *crtc, @@ -336,9 +335,6 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc, decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
decon_shadow_protect_win(ctx, win, false); - - /* standalone update */ - decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); }
static void decon_atomic_flush(struct exynos_drm_crtc *crtc) @@ -352,6 +348,9 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc) for (i = ctx->first_win; i < WINDOWS_NR; i++) decon_shadow_protect_win(ctx, i, false);
+ /* standalone update */ + decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); + if (ctx->out_type == IFTYPE_I80) set_bit(BIT_WIN_UPDATED, &ctx->flags); } @@ -463,8 +462,10 @@ static void decon_clear_channels(struct exynos_drm_crtc *crtc) decon_shadow_protect_win(ctx, win, true); decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0); decon_shadow_protect_win(ctx, win, false); - decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); } + + decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); + /* TODO: wait for possible vsync */ msleep(50);