OpenE2K/linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

drm/i915: disable powersave feature for Ironlake currently

Browse Source 
Until we figure out the right setting for powersave features on
Ironlake, disable it for now. Also disable watermark update,
which has new registers for it on Ironlake too.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
[anholt: Resolved against the Pineview FBC changes]
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Zhenyu Wang 2009-09-29 11:01:23 +08:00 committed by Eric Anholt
parent 181a5336d6
commit c03342fa6d
2 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/i915/i915_drv.h
View File

@ -984,7 +984,10 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define HAS_FW_BLC(dev) (IS_I9XX(dev) || IS_G4X(dev) || IS_IGDNG(dev))
#define HAS_PIPE_CXSR(dev) (IS_G4X(dev) || IS_IGDNG(dev))
#define I915_HAS_FBC(dev) (IS_MOBILE(dev) && (IS_I9XX(dev) || IS_GM45(dev)) && !IS_IGD(dev))
#define I915_HAS_FBC(dev) (IS_MOBILE(dev) && \
(IS_I9XX(dev) || IS_GM45(dev)) && \
!IS_IGD(dev) && \
!IS_IGDNG(dev))
#define PRIMARY_RINGBUFFER_SIZE (128*1024)

11
drivers/gpu/drm/i915/intel_display.c
View File

@ -2586,6 +2586,9 @@ static void intel_update_watermarks(struct drm_device *dev)
unsigned long planea_clock = 0, planeb_clock = 0, sr_clock = 0;
int enabled = 0, pixel_size = 0;
if (!dev_priv->display.update_wm)
return;
/* Get the clock config from both planes */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
intel_crtc = to_intel_crtc(crtc);
@ -4126,7 +4129,9 @@ void intel_init_clock_gating(struct drm_device *dev)
* Disable clock gating reported to work incorrectly according to the
* specs, but enable as much else as we can.
*/
if (IS_G4X(dev)) {
if (IS_IGDNG(dev)) {
return;
} else if (IS_G4X(dev)) {
uint32_t dspclk_gate;
I915_WRITE(RENCLK_GATE_D1, 0);
I915_WRITE(RENCLK_GATE_D2, VF_UNIT_CLOCK_GATE_DISABLE |
@ -4214,7 +4219,9 @@ static void intel_init_display(struct drm_device *dev)
i830_get_display_clock_speed;
/* For FIFO watermark updates */
if (IS_G4X(dev))
if (IS_IGDNG(dev))
dev_priv->display.update_wm = NULL;
else if (IS_G4X(dev))
dev_priv->display.update_wm = g4x_update_wm;
else if (IS_I965G(dev))
dev_priv->display.update_wm = i965_update_wm;