Re: [Intel-gfx] [PATCH] drm/i915: Don't write DSPSURF for old chips

2012-02-29 Thread Chris Wilson
On Tue, 28 Feb 2012 07:43:55 +0100, Takashi Iwai ti...@suse.de wrote: At Mon, 27 Feb 2012 14:08:28 +0100, Takashi Iwai wrote: At Mon, 27 Feb 2012 12:17:57 +, Chris Wilson wrote: On Mon, 27 Feb 2012 12:39:24 +0100, Takashi Iwai ti...@suse.de wrote: It seems that writing

Re: [Intel-gfx] [PATCH] drm/i915: Don't write DSPSURF for old chips

2012-02-29 Thread Takashi Iwai
At Wed, 29 Feb 2012 23:54:46 +, Chris Wilson wrote: On Tue, 28 Feb 2012 07:43:55 +0100, Takashi Iwai ti...@suse.de wrote: At Mon, 27 Feb 2012 14:08:28 +0100, Takashi Iwai wrote: At Mon, 27 Feb 2012 12:17:57 +, Chris Wilson wrote: On Mon, 27 Feb 2012 12:39:24

[Intel-gfx] [PATCH] drm/i915: Don't write DSPSURF for old chips

2012-02-27 Thread Takashi Iwai
It seems that writing DSPSURF in intel_flush_display_plane() causes the blank screen on some old laptops like Dell D630 with 965GM. Since this operation is needed only for ILK+, make it conditional. Cc: sta...@kernel.org [v3.1+] Signed-off-by: Takashi Iwai ti...@suse.de ---

Re: [Intel-gfx] [PATCH] drm/i915: Don't write DSPSURF for old chips

2012-02-27 Thread Chris Wilson
On Mon, 27 Feb 2012 12:39:24 +0100, Takashi Iwai ti...@suse.de wrote: It seems that writing DSPSURF in intel_flush_display_plane() causes the blank screen on some old laptops like Dell D630 with 965GM. Since this operation is needed only for ILK+, make it conditional. The specs say that

Re: [Intel-gfx] [PATCH] drm/i915: Don't write DSPSURF for old chips

2012-02-27 Thread Takashi Iwai
At Mon, 27 Feb 2012 12:17:57 +, Chris Wilson wrote: On Mon, 27 Feb 2012 12:39:24 +0100, Takashi Iwai ti...@suse.de wrote: It seems that writing DSPSURF in intel_flush_display_plane() causes the blank screen on some old laptops like Dell D630 with 965GM. Since this operation is needed

Re: [Intel-gfx] [PATCH] drm/i915: Don't write DSPSURF for old chips

2012-02-27 Thread Takashi Iwai
At Mon, 27 Feb 2012 14:08:28 +0100, Takashi Iwai wrote: At Mon, 27 Feb 2012 12:17:57 +, Chris Wilson wrote: On Mon, 27 Feb 2012 12:39:24 +0100, Takashi Iwai ti...@suse.de wrote: It seems that writing DSPSURF in intel_flush_display_plane() causes the blank screen on some old