linux-kernel - [051/244] drm/radeon/kms: set a default max_pixel

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Message-Id: <20110928220130.639155715@clark.kroah.org>
Date:	Wed, 28 Sep 2011 15:00:15 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Dave Airlie <airlied@...hat.com>
Subject: [051/244] drm/radeon/kms: set a default max_pixel_clock

3.0-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Dave Airlie <airlied@...hat.com>

commit 9adceaa5b3d2480e2252c4a7f9c4bd7d66b8c4a2 upstream.

On some Power rv100 cards, we have no ATY OF table, but we have
no combios table either, and hence we refuse all modes on VGA-0
since we end up with a 0 max pixel clock.

Signed-off-by: Dave Airlie <airlied@...hat.com>
Reviewed-by: Alex Deucher <alexdeucher@...il.com>
Reviewed-by: Jerome Glisse <jglisse@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/radeon/radeon_clocks.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/gpu/drm/radeon/radeon_clocks.c
+++ b/drivers/gpu/drm/radeon/radeon_clocks.c
@@ -219,6 +219,9 @@ void radeon_get_clock_info(struct drm_de
 		} else {
 			DRM_INFO("Using generic clock info\n");
 
+			/* may need to be per card */
+			rdev->clock.max_pixel_clock = 35000;
+
 			if (rdev->flags & RADEON_IS_IGP) {
 				p1pll->reference_freq = 1432;
 				p2pll->reference_freq = 1432;


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