On Tue, Aug 05, 2014 at 07:51:15AM -0700, Rodrigo Vivi wrote:
> From: Chris Wilson <ch...@chris-wilson.co.uk>
>
> In the move over to use BIOS connector configs, we lost the ability to
> force a specific set of connectors on or off. Try to remedy that by
> dropping back to the old behavior if we detect a hard coded connector
> config that tries to enable a connector (disabling is easy!).
>
> Based on earlier patches by Jesse Barnes.
>
> v2: Remove Jesse's patch
>
> Reported-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
> Cc: Jesse Barnes <jbar...@virtuousgeek.org>
> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.v...@intel.com>
Queued for -next, thanks for the patch. I've also pulled in the drm
cmdline mode parsing rework. Is that all that's been straggling wrt our
own initial config juggling?
-Daniel
> ---
> drivers/gpu/drm/i915/intel_fbdev.c | 33 ++++++++++++---------------------
> 1 file changed, 12 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_fbdev.c
> b/drivers/gpu/drm/i915/intel_fbdev.c
> index f475414..5d879d18 100644
> --- a/drivers/gpu/drm/i915/intel_fbdev.c
> +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> @@ -331,24 +331,6 @@ static bool intel_fb_initial_config(struct drm_fb_helper
> *fb_helper,
> int num_connectors_enabled = 0;
> int num_connectors_detected = 0;
>
> - /*
> - * If the user specified any force options, just bail here
> - * and use that config.
> - */
> - for (i = 0; i < fb_helper->connector_count; i++) {
> - struct drm_fb_helper_connector *fb_conn;
> - struct drm_connector *connector;
> -
> - fb_conn = fb_helper->connector_info[i];
> - connector = fb_conn->connector;
> -
> - if (!enabled[i])
> - continue;
> -
> - if (connector->force != DRM_FORCE_UNSPECIFIED)
> - return false;
> - }
> -
> save_enabled = kcalloc(dev->mode_config.num_connector, sizeof(bool),
> GFP_KERNEL);
> if (!save_enabled)
> @@ -374,8 +356,18 @@ static bool intel_fb_initial_config(struct drm_fb_helper
> *fb_helper,
> continue;
> }
>
> + if (connector->force == DRM_FORCE_OFF) {
> + DRM_DEBUG_KMS("connector %s is disabled by user,
> skipping\n",
> + connector->name);
> + enabled[i] = false;
> + continue;
> + }
> +
> encoder = connector->encoder;
> if (!encoder || WARN_ON(!encoder->crtc)) {
> + if (connector->force > DRM_FORCE_OFF)
> + goto bail;
> +
> DRM_DEBUG_KMS("connector %s has no encoder or crtc,
> skipping\n",
> connector->name);
> enabled[i] = false;
> @@ -394,8 +386,7 @@ static bool intel_fb_initial_config(struct drm_fb_helper
> *fb_helper,
> for (j = 0; j < fb_helper->connector_count; j++) {
> if (crtcs[j] == new_crtc) {
> DRM_DEBUG_KMS("fallback: cloned
> configuration\n");
> - fallback = true;
> - goto out;
> + goto bail;
> }
> }
>
> @@ -466,8 +457,8 @@ static bool intel_fb_initial_config(struct drm_fb_helper
> *fb_helper,
> fallback = true;
> }
>
> -out:
> if (fallback) {
> +bail:
> DRM_DEBUG_KMS("Not using firmware configuration\n");
> memcpy(enabled, save_enabled, dev->mode_config.num_connector);
> kfree(save_enabled);
> --
> 1.9.3
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
