From: Neil Armstrong <narmstrong@baylibre.com>
To: Jose Abreu <Jose.Abreu@synopsys.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Carlos Palminha <CARLOS.PALMINHA@synopsys.com>
Subject: Re: [PATCH v5 10/10] drm: vc4: Use crtc->mode_valid() and encoder->mode_valid() callbacks
Date: Tue, 30 May 2017 09:30:19 +0200 [thread overview]
Message-ID: <1a1de905-8277-cadb-6be2-6cf26cbb4e47@baylibre.com> (raw)
In-Reply-To: <5bea792f91074688c88a2dab8b0a90eec6e98fdf.1495720737.git.joabreu@synopsys.com>
On 05/25/2017 04:19 PM, Jose Abreu wrote:
> Now that we have a callback to check if crtc and encoder supports a
> given mode we can use it in vc4 so that we restrict the number of
> probbed modes to the ones we can actually display.
>
> Also, remove the mode_fixup() calls as these are no longer needed
> because mode_valid() will be called before.
>
> NOTE: Not even compiled tested
>
> Signed-off-by: Jose Abreu <joabreu@synopsys.com>
> Cc: Carlos Palminha <palminha@synopsys.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Eric Anholt <eric@anholt.net>
> Cc: David Airlie <airlied@linux.ie>
> ---
> drivers/gpu/drm/vc4/vc4_crtc.c | 13 ++++++-------
> drivers/gpu/drm/vc4/vc4_dpi.c | 13 ++++++-------
> 2 files changed, 12 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
> index 1b4dbe9..20703c8 100644
> --- a/drivers/gpu/drm/vc4/vc4_crtc.c
> +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
> @@ -542,18 +542,17 @@ static void vc4_crtc_enable(struct drm_crtc *crtc)
> drm_crtc_vblank_on(crtc);
> }
>
> -static bool vc4_crtc_mode_fixup(struct drm_crtc *crtc,
> - const struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode)
> +static enum drm_mode_status vc4_crtc_mode_valid(struct drm_crtc *crtc,
> + const struct drm_display_mode *mode)
> {
> /* Do not allow doublescan modes from user space */
> - if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) {
> + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) {
> DRM_DEBUG_KMS("[CRTC:%d] Doublescan mode rejected.\n",
> crtc->base.id);
> - return false;
> + return MODE_NO_DBLESCAN;
> }
>
> - return true;
> + return MODE_OK;
> }
>
> static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
> @@ -863,7 +862,7 @@ static void vc4_crtc_destroy_state(struct drm_crtc *crtc,
> .mode_set_nofb = vc4_crtc_mode_set_nofb,
> .disable = vc4_crtc_disable,
> .enable = vc4_crtc_enable,
> - .mode_fixup = vc4_crtc_mode_fixup,
> + .mode_valid = vc4_crtc_mode_valid,
> .atomic_check = vc4_crtc_atomic_check,
> .atomic_flush = vc4_crtc_atomic_flush,
> };
> diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
> index c6d7039..61958ab 100644
> --- a/drivers/gpu/drm/vc4/vc4_dpi.c
> +++ b/drivers/gpu/drm/vc4/vc4_dpi.c
> @@ -330,20 +330,19 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder)
> }
> }
>
> -static bool vc4_dpi_encoder_mode_fixup(struct drm_encoder *encoder,
> - const struct drm_display_mode *mode,
> - struct drm_display_mode *adjusted_mode)
> +static enum drm_mode_status vc4_dpi_encoder_mode_valid(struct drm_encoder *encoder,
> + const struct drm_display_mode *mode)
> {
> - if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
> - return false;
> + if (mode->flags & DRM_MODE_FLAG_INTERLACE)
> + return MODE_NO_INTERLACE;
>
> - return true;
> + return MODE_OK;
> }
>
> static const struct drm_encoder_helper_funcs vc4_dpi_encoder_helper_funcs = {
> .disable = vc4_dpi_encoder_disable,
> .enable = vc4_dpi_encoder_enable,
> - .mode_fixup = vc4_dpi_encoder_mode_fixup,
> + .mode_valid = vc4_dpi_encoder_mode_valid,
> };
>
> static const struct of_device_id vc4_dpi_dt_match[] = {
>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
next prev parent reply other threads:[~2017-05-30 7:30 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 14:19 [PATCH v5 00/10] Introduce new mode validation callbacks Jose Abreu
2017-05-25 14:19 ` [PATCH v5 01/10] drm: Add drm_{crtc/encoder/connector}_mode_valid() Jose Abreu
2017-05-30 6:38 ` Daniel Vetter
2017-05-30 7:26 ` Neil Armstrong
2017-05-25 14:19 ` [PATCH v5 02/10] drm: Introduce drm_bridge_mode_valid() Jose Abreu
2017-05-26 4:25 ` Archit Taneja
2017-05-30 7:27 ` Neil Armstrong
2017-05-25 14:19 ` [PATCH v5 03/10] drm: Use new mode_valid() helpers in connector probe helper Jose Abreu
2017-05-30 7:27 ` Neil Armstrong
2017-05-25 14:19 ` [PATCH v5 04/10] drm: Use mode_valid() in atomic modeset Jose Abreu
2017-05-29 19:38 ` Daniel Vetter
2017-05-30 7:27 ` Neil Armstrong
2017-05-25 14:19 ` [PATCH v5 05/10] drm: arcpgu: Use crtc->mode_valid() callback Jose Abreu
2017-05-30 7:28 ` Neil Armstrong
2017-06-21 9:38 ` Jose Abreu
2017-06-22 8:46 ` Daniel Vetter
2017-05-25 14:19 ` [PATCH v5 06/10] drm/bridge: analogix-anx78xx: Use bridge->mode_valid() callback Jose Abreu
2017-05-26 4:27 ` Archit Taneja
2017-05-30 7:28 ` Neil Armstrong
2017-05-30 10:35 ` Archit Taneja
2017-05-25 14:19 ` [PATCH v5 07/10] drm/bridge/synopsys: dw-hdmi: " Jose Abreu
2017-05-29 9:45 ` Neil Armstrong
2017-05-30 10:24 ` Archit Taneja
2017-05-30 10:29 ` Philipp Zabel
2017-06-05 7:53 ` Archit Taneja
2017-05-25 14:19 ` [PATCH v5 08/10] drm/arm: malidp: Use crtc->mode_valid() callback Jose Abreu
2017-05-30 7:29 ` Neil Armstrong
2017-05-30 9:37 ` Liviu Dudau
2017-05-31 8:20 ` Daniel Vetter
2017-05-31 10:48 ` Liviu Dudau
2017-05-31 10:56 ` Daniel Vetter
2017-05-31 11:09 ` Liviu Dudau
2017-05-25 14:19 ` [PATCH v5 09/10] drm/atmel-hlcdc: " Jose Abreu
2017-05-30 7:30 ` Neil Armstrong
2017-06-02 9:35 ` Boris Brezillon
2017-05-25 14:19 ` [PATCH v5 10/10] drm: vc4: Use crtc->mode_valid() and encoder->mode_valid() callbacks Jose Abreu
2017-05-30 7:30 ` Neil Armstrong [this message]
2017-06-02 20:10 ` Eric Anholt
2017-06-20 8:47 ` Daniel Vetter
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