drm/i915: enable IPS for bpp <= 24

Art confirms that this should work fine.  Since most panels are 18bpp
with dithering from 24bpp, the existing code wouldn't be enabled in most
cases.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d82e225294a695993c44840abb41dc10effec15c..dc7ad2a4a14dbf7f8869e453c4539a696fdc9035 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4091,7 +4091,7 @@ static void hsw_compute_ips_config(struct intel_crtc *crtc,
 {
        pipe_config->ips_enabled = i915_enable_ips &&
                                   hsw_crtc_supports_ips(crtc) &&
-                                  pipe_config->pipe_bpp == 24;
+                                  pipe_config->pipe_bpp <= 24;
 }
 
 static int intel_crtc_compute_config(struct intel_crtc *crtc,