From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 2/4] drm/i915: Make *_crtc_mode_set work on new_config Date: Sun, 19 Oct 2014 16:30:32 +0200 Message-ID: <20141019143032.GL26941@phenom.ffwll.local> References: <1412782343-28836-1-git-send-email-conselvan2@gmail.com> <1412782343-28836-3-git-send-email-conselvan2@gmail.com> <54367CFB.4000908@intel.com> <20141019142857.GK26941@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wi0-f182.google.com (mail-wi0-f182.google.com [209.85.212.182]) by gabe.freedesktop.org (Postfix) with ESMTP id 0B7586E07A for ; Sun, 19 Oct 2014 07:30:24 -0700 (PDT) Received: by mail-wi0-f182.google.com with SMTP id n3so4404818wiv.9 for ; Sun, 19 Oct 2014 07:30:24 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20141019142857.GK26941@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ander Conselvan de Oliveira Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org On Sun, Oct 19, 2014 at 04:28:57PM +0200, Daniel Vetter wrote: > On Thu, Oct 09, 2014 at 03:18:03PM +0300, Ander Conselvan de Oliveira wrote: > > On 10/09/2014 12:11 PM, Daniel Vetter wrote: > > >On Wed, Oct 08, 2014 at 06:32:21PM +0300, Ander Conselvan de Oliveira wrote: > > >>From: Ander Conselvan de Oliveira > > >> > > >>This shouldn't change the behavior of those functions, since they are > > >>called after the new_config is made effective and that points to the > > >>current config. In a follow up patch, the mode set sequence will be > > >>changed so this is called before disabling crtcs, and in that case > > >>those functions should work on the staged config. > > >> > > >>Signed-off-by: Ander Conselvan de Oliveira > > >>--- > > > > [snip] > > > > >>diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > > >>index 3a06c3d..9d8fe8d 100644 > > >>--- a/drivers/gpu/drm/i915/intel_display.c > > >>+++ b/drivers/gpu/drm/i915/intel_display.c > > >>@@ -420,13 +420,32 @@ static bool intel_pipe_has_type(struct drm_crtc *crtc, int type) > > >> return false; > > >> } > > >> > > >>+/** > > >>+ * Returns whether any output on the specified pipe will have the specified > > >>+ * type after a staged modeset is complete, i.e., the same as > > >>+ * intel_pipe_has_type() but looking at encoder->new_crtc instead of > > >>+ * encoder->crtc. > > >>+ */ > > >>+static bool intel_pipe_will_have_type(struct drm_crtc *crtc, int type) > > > > > >s/drm_crtc/intel_crtc/. In general we use the most specific type > > >for internal functions to avoid tons of upcasting. So you might want to > > >throw a patch on top to convert the existing has_type for consistency. > > > > What about the functions in drm_i915_display_funcs (find_dpll, > > crtc_mode_set)? Are these not considered internal functions or is this > > leftover from before this rule was in place? > > > > If I write that consistency patch it might be easier to just convert > > everything. > > leftovers, and we've been slowly converting existing code over to using > intel structures over the past 2 years. I certainly won't stop you to > clean up all that stuff, but it's a bit of work. So I'm ok if you just > have the vfunc signature use the intel_ types and then immediately convert > to a drm_ type again to avoid code churn. > > Or just convert it all if you feel like it. But if you do that please split out that rote conversion into a separate patch for easier reviewing. Either at the start of the series (so I can merge it right away) or at the end (only done once everything is merged) to avoid needless rebase pain. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch