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From: Manasi Navare <manasi.d.navare@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: Manasi Navare <manasi.d.navare@intel.com>,
	Jani Nikula <jani.nikula@intel.com>,
	Dave Airlie <airlied@redhat.com>
Subject: [PATCH 1/5] drm: Handle connector tile support only for modes that match tile size
Date: Tue, 10 Dec 2019 14:32:34 -0800	[thread overview]
Message-ID: <20191210223238.12022-2-manasi.d.navare@intel.com> (raw)
In-Reply-To: <20191210223238.12022-1-manasi.d.navare@intel.com>

DRM Fb driver expects multiple CRTCs if it sees connector->has_tile
is set, but we need to handle tile support and look for multiple CRTCs
only for the modes that match the tile size. The other modes should
be able to be displayed without tile support or uisng single CRTC.

This patch adds the check to match the tile size with requested mode
to handle the tile support.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
---
 drivers/gpu/drm/drm_fb_helper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index fb9bff0f4581..4978363714a9 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1558,7 +1558,9 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 		for (j = 0; j < mode_set->num_connectors; j++) {
 			struct drm_connector *connector = mode_set->connectors[j];
 
-			if (connector->has_tile) {
+			if (connector->has_tile &&
+			    desired_mode->hdisplay == connector->tile_h_size &&
+			    desired_mode->vdisplay == connector->tile_v_size) {
 				lasth = (connector->tile_h_loc == (connector->num_h_tile - 1));
 				lastv = (connector->tile_v_loc == (connector->num_v_tile - 1));
 				/* cloning to multiple tiles is just crazy-talk, so: */
-- 
2.19.1

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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: Manasi Navare <manasi.d.navare@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>, Dave Airlie <airlied@redhat.com>
Subject: [Intel-gfx] [PATCH 1/5] drm: Handle connector tile support only for modes that match tile size
Date: Tue, 10 Dec 2019 14:32:34 -0800	[thread overview]
Message-ID: <20191210223238.12022-2-manasi.d.navare@intel.com> (raw)
In-Reply-To: <20191210223238.12022-1-manasi.d.navare@intel.com>

DRM Fb driver expects multiple CRTCs if it sees connector->has_tile
is set, but we need to handle tile support and look for multiple CRTCs
only for the modes that match the tile size. The other modes should
be able to be displayed without tile support or uisng single CRTC.

This patch adds the check to match the tile size with requested mode
to handle the tile support.

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Dave Airlie <airlied@redhat.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
---
 drivers/gpu/drm/drm_fb_helper.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index fb9bff0f4581..4978363714a9 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -1558,7 +1558,9 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 		for (j = 0; j < mode_set->num_connectors; j++) {
 			struct drm_connector *connector = mode_set->connectors[j];
 
-			if (connector->has_tile) {
+			if (connector->has_tile &&
+			    desired_mode->hdisplay == connector->tile_h_size &&
+			    desired_mode->vdisplay == connector->tile_v_size) {
 				lasth = (connector->tile_h_loc == (connector->num_h_tile - 1));
 				lastv = (connector->tile_v_loc == (connector->num_v_tile - 1));
 				/* cloning to multiple tiles is just crazy-talk, so: */
-- 
2.19.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2019-12-10 22:39 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10 22:32 [PATCH 0/5] DRM and i915 fixes to handle hotplug/unplug for 8K tiled displays Manasi Navare
2019-12-10 22:32 ` [Intel-gfx] " Manasi Navare
2019-12-10 22:32 ` Manasi Navare [this message]
2019-12-10 22:32   ` [Intel-gfx] [PATCH 1/5] drm: Handle connector tile support only for modes that match tile size Manasi Navare
2019-12-10 22:32 ` [PATCH 2/5] drm/fbdev: Fallback to non tiled mode if all tiles not present Manasi Navare
2019-12-10 22:32   ` [Intel-gfx] " Manasi Navare
2019-12-10 22:32 ` [PATCH 3/5] drm/i915/dp: Make sure all tiled connectors get added to the state with full modeset Manasi Navare
2019-12-10 22:32   ` [Intel-gfx] " Manasi Navare
2019-12-10 22:32 ` [PATCH 4/5] drm/i915/dp: Make port sync mode assignments only if all tiles present Manasi Navare
2019-12-10 22:32   ` [Intel-gfx] " Manasi Navare
2019-12-10 22:32 ` [PATCH 5/5] drm/i915/dp: Disable Port sync mode correctly on teardown Manasi Navare
2019-12-10 22:32   ` [Intel-gfx] " Manasi Navare
2019-12-11  5:57 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for DRM and i915 fixes to handle hotplug/unplug for 8K tiled displays Patchwork
2019-12-11  6:21 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork

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