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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2017-02-02 08:41:42 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2017-02-09 15:56:45 +0100
commit8d2b47dde8a097e6fef2ebb5042cbb267cc75adf (patch)
tree7f5f4ea3d0f420901a11afed51aa0c8a605b8d84 /drivers/gpu/drm
parent6d1f9fb3120c9865c28f56ceba8d706a9ecb4b56 (diff)
drm/i915: Enable atomic support by default on supported platforms.
i915 is pretty much feature complete. Support for atomic i915-specific connector properties is still missing; those properties can (for now) only be set through the legacy ioctl. ILK style watermarks and gen9+ watermarks are handled atomically, and nonblocking modesets work. FBC has also been made to work with atomic. gen4x- and vlv/chv watermarks still need to be fixed, so disable atomic by default there for now. Flip the switch!! Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Lyude <cpaul@redhat.com> Cc: Matt Roper <matthew.d.roper@intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1486021302-24910-1-git-send-email-maarten.lankhorst@linux.intel.com [mlankhorst: Fix checkpatch warning about extra space in match_info] Acked-by: Daniel Stone <daniel@fooishbar.org> Reviewed-by: Lyude <lyude@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c10
-rw-r--r--drivers/gpu/drm/i915/i915_params.c4
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index d48c02a7933f..a17dde86dc8c 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1214,11 +1214,15 @@ static void i915_driver_unregister(struct drm_i915_private *dev_priv)
*/
int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent)
{
+ const struct intel_device_info *match_info =
+ (struct intel_device_info *)ent->driver_data;
struct drm_i915_private *dev_priv;
int ret;
- if (i915.nuclear_pageflip)
- driver.driver_features |= DRIVER_ATOMIC;
+ /* Enable nuclear pageflip on ILK+, except vlv/chv */
+ if (!i915.nuclear_pageflip &&
+ (match_info->gen < 5 || match_info->has_gmch_display))
+ driver.driver_features &= ~DRIVER_ATOMIC;
ret = -ENOMEM;
dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
@@ -2624,7 +2628,7 @@ static struct drm_driver driver = {
*/
.driver_features =
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME |
- DRIVER_RENDER | DRIVER_MODESET,
+ DRIVER_RENDER | DRIVER_MODESET | DRIVER_ATOMIC,
.open = i915_driver_open,
.lastclose = i915_driver_lastclose,
.preclose = i915_driver_preclose,
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index c2679fa7ed11..2e9645e6555a 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -205,9 +205,9 @@ module_param_named(verbose_state_checks, i915.verbose_state_checks, bool, 0600);
MODULE_PARM_DESC(verbose_state_checks,
"Enable verbose logs (ie. WARN_ON()) in case of unexpected hw state conditions.");
-module_param_named_unsafe(nuclear_pageflip, i915.nuclear_pageflip, bool, 0600);
+module_param_named_unsafe(nuclear_pageflip, i915.nuclear_pageflip, bool, 0400);
MODULE_PARM_DESC(nuclear_pageflip,
- "Force atomic modeset functionality; asynchronous mode is not yet supported. (default: false).");
+ "Force enable atomic functionality on platforms that don't have full support yet.");
/* WA to get away with the default setting in VBT for early platforms.Will be removed */
module_param_named_unsafe(edp_vswing, i915.edp_vswing, int, 0400);