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Fri, 17 Sep 2021 08:38:06 -0700 (PDT) Date: Fri, 17 Sep 2021 11:38:05 -0400 From: Sean Paul To: Fernando Ramos Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, sean@poorly.run, linux-doc@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org Subject: Re: [PATCH 06/15] drm/tegra: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN() Message-ID: <20210917153805.GF2515@art_vandelay> References: <20210916211552.33490-1-greenfoo@u92.eu> <20210916211552.33490-7-greenfoo@u92.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210916211552.33490-7-greenfoo@u92.eu> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 16, 2021 at 11:15:43PM +0200, Fernando Ramos wrote: > As requested in Documentation/gpu/todo.rst, replace driver calls to > drm_modeset_lock_all() with DRM_MODESET_LOCK_ALL_BEGIN() and > DRM_MODESET_LOCK_ALL_END() > > Signed-off-by: Fernando Ramos > --- > drivers/gpu/drm/tegra/dsi.c | 6 ++++-- > drivers/gpu/drm/tegra/hdmi.c | 5 +++-- > drivers/gpu/drm/tegra/sor.c | 10 ++++++---- > 3 files changed, 13 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c > index f46d377f0c30..77a496f6a2e9 100644 > --- a/drivers/gpu/drm/tegra/dsi.c > +++ b/drivers/gpu/drm/tegra/dsi.c > @@ -202,10 +202,12 @@ static int tegra_dsi_show_regs(struct seq_file *s, void *data) > struct tegra_dsi *dsi = node->info_ent->data; > struct drm_crtc *crtc = dsi->output.encoder.crtc; > struct drm_device *drm = node->minor->dev; > + struct drm_modeset_acquire_ctx ctx; > unsigned int i; > int err = 0; > + int ret; You can use err here instead. With that fixed, Reviewed-by: Sean Paul > > - drm_modeset_lock_all(drm); > + DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, ret); > > if (!crtc || !crtc->state->active) { > err = -EBUSY; > @@ -220,7 +222,7 @@ static int tegra_dsi_show_regs(struct seq_file *s, void *data) > } > > unlock: > - drm_modeset_unlock_all(drm); > + DRM_MODESET_LOCK_ALL_END(drm, ctx, ret); > return err; > } > > diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c > index e5d2a4026028..669a2ebb55ae 100644 > --- a/drivers/gpu/drm/tegra/hdmi.c > +++ b/drivers/gpu/drm/tegra/hdmi.c > @@ -1031,10 +1031,11 @@ static int tegra_hdmi_show_regs(struct seq_file *s, void *data) > struct tegra_hdmi *hdmi = node->info_ent->data; > struct drm_crtc *crtc = hdmi->output.encoder.crtc; > struct drm_device *drm = node->minor->dev; > + struct drm_modeset_acquire_ctx ctx; > unsigned int i; > int err = 0; > > - drm_modeset_lock_all(drm); > + DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, err); > > if (!crtc || !crtc->state->active) { > err = -EBUSY; > @@ -1049,7 +1050,7 @@ static int tegra_hdmi_show_regs(struct seq_file *s, void *data) > } > > unlock: > - drm_modeset_unlock_all(drm); > + DRM_MODESET_LOCK_ALL_END(drm, ctx, err); > return err; > } > > diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c > index 0ea320c1092b..323d95eb0cac 100644 > --- a/drivers/gpu/drm/tegra/sor.c > +++ b/drivers/gpu/drm/tegra/sor.c > @@ -1490,10 +1490,11 @@ static int tegra_sor_show_crc(struct seq_file *s, void *data) > struct tegra_sor *sor = node->info_ent->data; > struct drm_crtc *crtc = sor->output.encoder.crtc; > struct drm_device *drm = node->minor->dev; > + struct drm_modeset_acquire_ctx ctx; > int err = 0; > u32 value; > > - drm_modeset_lock_all(drm); > + DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, err); > > if (!crtc || !crtc->state->active) { > err = -EBUSY; > @@ -1522,7 +1523,7 @@ static int tegra_sor_show_crc(struct seq_file *s, void *data) > seq_printf(s, "%08x\n", value); > > unlock: > - drm_modeset_unlock_all(drm); > + DRM_MODESET_LOCK_ALL_END(drm, ctx, err); > return err; > } > > @@ -1652,10 +1653,11 @@ static int tegra_sor_show_regs(struct seq_file *s, void *data) > struct tegra_sor *sor = node->info_ent->data; > struct drm_crtc *crtc = sor->output.encoder.crtc; > struct drm_device *drm = node->minor->dev; > + struct drm_modeset_acquire_ctx ctx; > unsigned int i; > int err = 0; > > - drm_modeset_lock_all(drm); > + DRM_MODESET_LOCK_ALL_BEGIN(drm, ctx, 0, err); > > if (!crtc || !crtc->state->active) { > err = -EBUSY; > @@ -1670,7 +1672,7 @@ static int tegra_sor_show_regs(struct seq_file *s, void *data) > } > > unlock: > - drm_modeset_unlock_all(drm); > + DRM_MODESET_LOCK_ALL_END(drm, ctx, err); > return err; > } > > -- > 2.33.0 > -- Sean Paul, Software Engineer, Google / Chromium OS