| Message ID | 1484295026-16435-1-git-send-email-a.hajda@samsung.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
Hi Andrzej, On 01/13/2017 05:10 PM, Andrzej Hajda wrote: > STANDALONE_UPDATE_F should be set if something changed in plane configurations, > including plane disable. > The patch fixes page-faults bugs, caused by decon still using framebuffers > of disabled planes. > > Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> > --- > drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c > index ef7fcb5..3999e88 100644 > --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c > +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c > @@ -46,7 +46,8 @@ enum decon_flag_bits { > BIT_CLKS_ENABLED, > BIT_IRQS_ENABLED, > BIT_WIN_UPDATED, > - BIT_SUSPENDED > + BIT_SUSPENDED, > + BIT_REQUEST_UPDATE > }; > > struct decon_context { > @@ -313,6 +314,7 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc, > > /* window enable */ > decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, ~0); > + set_bit(BIT_REQUEST_UPDATE, &ctx->flags); > } > > static void decon_disable_plane(struct exynos_drm_crtc *crtc, > @@ -325,6 +327,7 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc, > return; > > decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0); > + set_bit(BIT_REQUEST_UPDATE, &ctx->flags); > } > > static void decon_atomic_flush(struct exynos_drm_crtc *crtc) > @@ -339,8 +342,10 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc) > decon_shadow_protect_win(ctx, i, false); > > /* update iff there are active windows */ > - if (crtc->base.state->plane_mask) > + if (test_bit(BIT_REQUEST_UPDATE, &ctx->flags)) { > decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); > + set_bit(BIT_REQUEST_UPDATE, &ctx->flags); > + } There is no code to clear BIT_REQUEST_UPDATE, is it right? Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 13.01.2017 09:37, Joonyoung Shim wrote: > > There is no code to clear BIT_REQUEST_UPDATE, is it right? Marek has already pointed it out, v2 sent. Regards Andrzej -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index ef7fcb5..3999e88 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -46,7 +46,8 @@ enum decon_flag_bits { BIT_CLKS_ENABLED, BIT_IRQS_ENABLED, BIT_WIN_UPDATED, - BIT_SUSPENDED + BIT_SUSPENDED, + BIT_REQUEST_UPDATE }; struct decon_context { @@ -313,6 +314,7 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc, /* window enable */ decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, ~0); + set_bit(BIT_REQUEST_UPDATE, &ctx->flags); } static void decon_disable_plane(struct exynos_drm_crtc *crtc, @@ -325,6 +327,7 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc, return; decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0); + set_bit(BIT_REQUEST_UPDATE, &ctx->flags); } static void decon_atomic_flush(struct exynos_drm_crtc *crtc) @@ -339,8 +342,10 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc) decon_shadow_protect_win(ctx, i, false); /* update iff there are active windows */ - if (crtc->base.state->plane_mask) + if (test_bit(BIT_REQUEST_UPDATE, &ctx->flags)) { decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); + set_bit(BIT_REQUEST_UPDATE, &ctx->flags); + } if (ctx->out_type & IFTYPE_I80) set_bit(BIT_WIN_UPDATED, &ctx->flags);
STANDALONE_UPDATE_F should be set if something changed in plane configurations, including plane disable. The patch fixes page-faults bugs, caused by decon still using framebuffers of disabled planes. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> --- drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)