dri-devel Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: "Christian König" <deathsimple@vodafone.de>
To: dri-devel@lists.freedesktop.org
Subject: [PATCH 3/6] drm/ttm: add TTM_PL_FLAG_CONTIGUOUS
Date: Wed, 29 Mar 2017 19:43:24 +0200	[thread overview]
Message-ID: <1490809407-3629-3-git-send-email-deathsimple@vodafone.de> (raw)
In-Reply-To: <1490809407-3629-1-git-send-email-deathsimple@vodafone.de>

From: Christian König <christian.koenig@amd.com>

This allows drivers to specify if they need a contiguous allocation or not.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c    | 4 +++-
 include/drm/ttm/ttm_placement.h | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 96b1450..35c12c7 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1062,7 +1062,9 @@ static bool ttm_bo_places_compat(const struct ttm_place *places,
 
 		*new_flags = heap->flags;
 		if ((*new_flags & mem->placement & TTM_PL_MASK_CACHING) &&
-		    (*new_flags & mem->placement & TTM_PL_MASK_MEM))
+		    (*new_flags & mem->placement & TTM_PL_MASK_MEM) &&
+		    (!(*new_flags & TTM_PL_FLAG_CONTIGUOUS) ||
+		     (mem->placement & TTM_PL_FLAG_CONTIGUOUS)))
 			return true;
 	}
 	return false;
diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h
index 932be0c..40f947f 100644
--- a/include/drm/ttm/ttm_placement.h
+++ b/include/drm/ttm/ttm_placement.h
@@ -63,6 +63,7 @@
 #define TTM_PL_FLAG_CACHED      (1 << 16)
 #define TTM_PL_FLAG_UNCACHED    (1 << 17)
 #define TTM_PL_FLAG_WC          (1 << 18)
+#define TTM_PL_FLAG_CONTIGUOUS	(1 << 19)
 #define TTM_PL_FLAG_NO_EVICT    (1 << 21)
 #define TTM_PL_FLAG_TOPDOWN     (1 << 22)
 
-- 
2.5.0

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

  parent reply	other threads:[~2017-03-29 17:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-29 17:43 [PATCH 1/6] drm/ttm: cleanup and optimize ttm_bo_mem_compat Christian König
2017-03-29 17:43 ` [PATCH 2/6] drm/ttm: add io_mem_pfn callback Christian König
2017-03-29 17:43 ` Christian König [this message]
2017-03-29 17:43 ` [PATCH 4/6] drm/amdgpu: drop alpha support Christian König
2017-03-29 17:43 ` [PATCH 5/6] drm/amdgpu: use TTM_PL_FLAG_CONTIGUOUS Christian König
2017-03-29 17:43 ` [PATCH 6/6] drm/amdgpu: handle CPU access for split VRAM buffers Christian König
     [not found] <1490792146-2218-1-git-send-email-deathsimple@vodafone.de>
     [not found] ` <1490792146-2218-4-git-send-email-deathsimple@vodafone.de>
     [not found]   ` <1490792146-2218-4-git-send-email-deathsimple-ANTagKRnAhcb1SvskN2V4Q@public.gmane.org>
2017-03-30  6:39     ` [PATCH 3/6] drm/ttm: add TTM_PL_FLAG_CONTIGUOUS Michel Dänzer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1490809407-3629-3-git-send-email-deathsimple@vodafone.de \
    --to=deathsimple@vodafone.de \
    --cc=dri-devel@lists.freedesktop.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox