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From: Thomas Zimmermann <tzimmermann@suse.de>
To: daniel@ffwll.ch, airlied@linux.ie, sam@ravnborg.org,
	mripard@kernel.org, maarten.lankhorst@linux.intel.com,
	christian.koenig@amd.com
Cc: Thomas Zimmermann <tzimmermann@suse.de>, dri-devel@lists.freedesktop.org
Subject: [PATCH 06/10] drm/fb-helper: Separate shadow-buffer flushing and calling dirty callback
Date: Mon, 16 Nov 2020 21:04:33 +0100	[thread overview]
Message-ID: <20201116200437.17977-7-tzimmermann@suse.de> (raw)
In-Reply-To: <20201116200437.17977-1-tzimmermann@suse.de>

Flushing the shadow framebuffer and invoking the dirty callback are two
separate operations, so do them seprately. The flush operation is paired
with calls to vmap and vunmap. They are not needed for the dirty callback,
which performs its own invocations if necessary.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/drm_fb_helper.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 741ac8254a6e..213c6aa4bfa4 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -417,13 +417,11 @@ static void drm_fb_helper_damage_work(struct work_struct *work)
 		if (ret)
 			return;
 		drm_fb_helper_damage_blit_real(helper, &clip_copy, &map);
+		drm_client_buffer_vunmap(helper->buffer);
 	}
 
 	if (helper->fb->funcs->dirty)
 		helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1);
-
-	if (helper->buffer)
-		drm_client_buffer_vunmap(helper->buffer);
 }
 
 /**
-- 
2.29.2

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  parent reply	other threads:[~2020-11-16 20:05 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-16 20:04 [PATCH 00/10] drm/fb-helper: Various fixes and cleanups Thomas Zimmermann
2020-11-16 20:04 ` [PATCH 01/10] drm/fb-helper: Call dirty helper after writing to fbdev Thomas Zimmermann
2020-11-16 20:04   ` Thomas Zimmermann
2020-11-17 16:22   ` Ville Syrjälä
2020-11-17 16:22     ` Ville Syrjälä
2020-11-18  7:56     ` Thomas Zimmermann
2020-11-18  7:56       ` Thomas Zimmermann
2020-11-16 20:04 ` [PATCH 02/10] drm/fb-helper: Unmap client buffer during shutdown Thomas Zimmermann
2020-11-16 20:04 ` [PATCH 03/10] drm/client: Depend on GEM object kmap ref-counting Thomas Zimmermann
2020-11-16 20:04 ` [PATCH 04/10] drm/fb-helper: Rename dirty worker to damage worker Thomas Zimmermann
2020-11-16 20:04 ` [PATCH 05/10] drm/fb-helper: Return early in dirty worker Thomas Zimmermann
2020-11-16 20:04 ` Thomas Zimmermann [this message]
2020-11-16 20:04 ` [PATCH 07/10] drm/fb-helper: Move damage blit code and its setup into separate routine Thomas Zimmermann
2020-11-16 20:04 ` [PATCH 08/10] drm/fb-helper: Restore damage area upon errors Thomas Zimmermann
2020-11-16 20:52   ` Daniel Vetter
2020-11-17 15:14     ` Sebastian Reichel
2020-11-17 16:54       ` Daniel Vetter
2020-11-16 20:04 ` [PATCH 09/10] drm/fb-helper: Copy dma-buf map before flushing shadow fb Thomas Zimmermann
2020-11-16 20:04 ` [PATCH 10/10] drm/fb-helper: Acquire modeset lock around shadow-buffer flushing Thomas Zimmermann
2020-11-16 20:48   ` Daniel Vetter
2020-11-17  8:05     ` Christian König

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