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drm/i915: fix oops on single crtc devices.

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(regression fix since fbdev/kms rework).

My fb rework didn't remember about the 84/65s.

Reported-by: Ondrej Zary <linux@rainbow-software.org>
Tested-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2010-06-06 18:59:41 +10:00
parent 386f40c86d
commit a3524f1b27
3 changed files with 6 additions and 6 deletions
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1
drivers/gpu/drm/i915/i915_drv.h
View File

@ -278,6 +278,7 @@ typedef struct drm_i915_private {
struct mem_block *agp_heap;
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
int vblank_pipe;
int num_pipe;
/* For hangcheck timer */
#define DRM_I915_HANGCHECK_PERIOD 75 /* in jiffies */

9
drivers/gpu/drm/i915/intel_display.c
View File

@ -5470,7 +5470,6 @@ static void intel_init_display(struct drm_device *dev)
void intel_modeset_init(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int num_pipe;
int i;
drm_mode_config_init(dev);
@ -5500,13 +5499,13 @@ void intel_modeset_init(struct drm_device *dev)
dev->mode_config.fb_base = pci_resource_start(dev->pdev, 0);
if (IS_MOBILE(dev) || IS_I9XX(dev))
num_pipe = 2;
dev_priv->num_pipe = 2;
else
num_pipe = 1;
dev_priv->num_pipe = 1;
DRM_DEBUG_KMS("%d display pipe%s available.\n",
num_pipe, num_pipe > 1 ? "s" : "");
dev_priv->num_pipe, dev_priv->num_pipe > 1 ? "s" : "");
for (i = 0; i < num_pipe; i++) {
for (i = 0; i < dev_priv->num_pipe; i++) {
intel_crtc_init(dev, i);
}

2
drivers/gpu/drm/i915/intel_fb.c
View File

@ -253,7 +253,7 @@ int intel_fbdev_init(struct drm_device *dev)
dev_priv->fbdev = ifbdev;
ifbdev->helper.funcs = &intel_fb_helper_funcs;
drm_fb_helper_init(dev, &ifbdev->helper, 2,
drm_fb_helper_init(dev, &ifbdev->helper, dev_priv->num_pipe,
INTELFB_CONN_LIMIT);
drm_fb_helper_single_add_all_connectors(&ifbdev->helper);