Add two bcm283x vc4 stability patches
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Peter Robinson
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155772d69c
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From patchwork Wed Jul 25 12:29:07 2018
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Subject: drm/vc4: Fix the "no scaling" case on multi-planar YUV formats
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From: Boris Brezillon <boris.brezillon@bootlin.com>
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X-Patchwork-Id: 240917
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Message-Id: <20180725122907.13702-1-boris.brezillon@bootlin.com>
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To: Eric Anholt <eric@anholt.net>
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Cc: David Airlie <airlied@linux.ie>,
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Boris Brezillon <boris.brezillon@bootlin.com>, stable@vger.kernel.org,
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dri-devel@lists.freedesktop.org
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Date: Wed, 25 Jul 2018 14:29:07 +0200
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When there's no scaling requested ->is_unity should be true no matter
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the format.
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Also, when no scaling is requested and we have a multi-planar YUV
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format, we should leave ->y_scaling[0] to VC4_SCALING_NONE and only
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set ->x_scaling[0] to VC4_SCALING_PPF.
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Doing this fixes an hardly visible artifact (seen when using modetest
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and a rather big overlay plane in YUV420).
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Fixes: fc04023fafec ("drm/vc4: Add support for YUV planes.")
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Cc: <stable@vger.kernel.org>
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Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 25 ++++++++++++-------------
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1 file changed, 12 insertions(+), 13 deletions(-)
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diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
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index cfb50fedfa2b..a3275fa66b7b 100644
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -297,6 +297,9 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
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vc4_state->y_scaling[0] = vc4_get_scaling_mode(vc4_state->src_h[0],
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vc4_state->crtc_h);
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+ vc4_state->is_unity = (vc4_state->x_scaling[0] == VC4_SCALING_NONE &&
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+ vc4_state->y_scaling[0] == VC4_SCALING_NONE);
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+
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if (num_planes > 1) {
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vc4_state->is_yuv = true;
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@@ -312,24 +315,17 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
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vc4_get_scaling_mode(vc4_state->src_h[1],
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vc4_state->crtc_h);
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- /* YUV conversion requires that scaling be enabled,
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- * even on a plane that's otherwise 1:1. Choose TPZ
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- * for simplicity.
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+ /* YUV conversion requires that horizontal scaling be enabled,
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+ * even on a plane that's otherwise 1:1. Looks like only PPF
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+ * works in that case, so let's pick that one.
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*/
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- if (vc4_state->x_scaling[0] == VC4_SCALING_NONE)
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- vc4_state->x_scaling[0] = VC4_SCALING_TPZ;
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- if (vc4_state->y_scaling[0] == VC4_SCALING_NONE)
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- vc4_state->y_scaling[0] = VC4_SCALING_TPZ;
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+ if (vc4_state->is_unity)
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+ vc4_state->x_scaling[0] = VC4_SCALING_PPF;
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} else {
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vc4_state->x_scaling[1] = VC4_SCALING_NONE;
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vc4_state->y_scaling[1] = VC4_SCALING_NONE;
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}
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- vc4_state->is_unity = (vc4_state->x_scaling[0] == VC4_SCALING_NONE &&
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- vc4_state->y_scaling[0] == VC4_SCALING_NONE &&
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- vc4_state->x_scaling[1] == VC4_SCALING_NONE &&
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- vc4_state->y_scaling[1] == VC4_SCALING_NONE);
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-
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/* No configuring scaling on the cursor plane, since it gets
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non-vblank-synced updates, and scaling requires requires
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LBM changes which have to be vblank-synced.
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@@ -672,7 +668,10 @@ static int vc4_plane_mode_set(struct drm_plane *plane,
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vc4_dlist_write(vc4_state, SCALER_CSC2_ITR_R_601_5);
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}
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- if (!vc4_state->is_unity) {
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+ if (vc4_state->x_scaling[0] != VC4_SCALING_NONE ||
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+ vc4_state->x_scaling[1] != VC4_SCALING_NONE ||
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+ vc4_state->y_scaling[0] != VC4_SCALING_NONE ||
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+ vc4_state->y_scaling[1] != VC4_SCALING_NONE) {
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/* LBM Base Address. */
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if (vc4_state->y_scaling[0] != VC4_SCALING_NONE ||
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vc4_state->y_scaling[1] != VC4_SCALING_NONE) {
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@ -0,0 +1,40 @@
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From patchwork Tue Jul 24 13:36:01 2018
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: drm/vc4: Reset ->{x, y}_scaling[1] when dealing with uniplanar formats
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From: Boris Brezillon <boris.brezillon@bootlin.com>
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X-Patchwork-Id: 240644
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Message-Id: <20180724133601.32114-1-boris.brezillon@bootlin.com>
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To: Eric Anholt <eric@anholt.net>
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Cc: David Airlie <airlied@linux.ie>,
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Boris Brezillon <boris.brezillon@bootlin.com>, stable@vger.kernel.org,
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dri-devel@lists.freedesktop.org
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Date: Tue, 24 Jul 2018 15:36:01 +0200
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This is needed to ensure ->is_unity is correct when the plane was
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previously configured to output a multi-planar format with scaling
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enabled, and is then being reconfigured to output a uniplanar format.
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Fixes: fc04023fafec ("drm/vc4: Add support for YUV planes.")
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Cc: <stable@vger.kernel.org>
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Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
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Reviewed-by: Eric Anholt <eric@anholt.net>
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---
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drivers/gpu/drm/vc4/vc4_plane.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
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index 9d7a36f148cf..cfb50fedfa2b 100644
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--- a/drivers/gpu/drm/vc4/vc4_plane.c
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+++ b/drivers/gpu/drm/vc4/vc4_plane.c
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@@ -320,6 +320,9 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
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vc4_state->x_scaling[0] = VC4_SCALING_TPZ;
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if (vc4_state->y_scaling[0] == VC4_SCALING_NONE)
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vc4_state->y_scaling[0] = VC4_SCALING_TPZ;
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+ } else {
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+ vc4_state->x_scaling[1] = VC4_SCALING_NONE;
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+ vc4_state->y_scaling[1] = VC4_SCALING_NONE;
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}
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vc4_state->is_unity = (vc4_state->x_scaling[0] == VC4_SCALING_NONE &&
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@ -595,6 +595,11 @@ Patch331: bcm2835-cpufreq-add-CPU-frequency-control-driver.patch
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Patch332: bcm2835-hwmon-Add-support-for-RPi-voltage-sensor.patch
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Patch332: bcm2835-hwmon-Add-support-for-RPi-voltage-sensor.patch
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# https://patchwork.freedesktop.org/patch/240644/
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Patch333: drm-vc4-Reset-x-y-scaling-1-when-dealing-with-uniplanar-formats.patch
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# https://patchwork.freedesktop.org/patch/240917/
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Patch334: drm-vc4-Fix-the-no-scaling-case-on-multi-planar-YUV-formats.patch
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# Fix for AllWinner A64 Timer Errata, still not final
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# Fix for AllWinner A64 Timer Errata, still not final
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# https://patchwork.kernel.org/patch/10392891/
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# https://patchwork.kernel.org/patch/10392891/
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Patch350: arm64-arch_timer-Workaround-for-Allwinner-A64-timer-instability.patch
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Patch350: arm64-arch_timer-Workaround-for-Allwinner-A64-timer-instability.patch
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@ -1894,6 +1899,9 @@ fi
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#
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#
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#
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#
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%changelog
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%changelog
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* Tue Jul 31 2018 Peter Robinson <pbrobinson@fedoraproject.org>
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- Add two bcm283x vc4 stability patches
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* Tue Jul 31 2018 Hans de Goede <hdegoede@redhat.com>
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* Tue Jul 31 2018 Hans de Goede <hdegoede@redhat.com>
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- Add patch to fix FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER on s390x and
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- Add patch to fix FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER on s390x and
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re-enable FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER on s390x
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re-enable FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER on s390x
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