From: Emil Velikov <emil.l.velikov@gmail.com>
To: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
ML dri-devel <dri-devel@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [PATCH 01/12] drm: Nuke mode->hsync
Date: Thu, 20 Feb 2020 10:55:18 +0000 [thread overview]
Message-ID: <CACvgo53w0+anXrf0fSGkdAx8gctMFzLh311n74tBCQ7qt+_--A@mail.gmail.com> (raw)
In-Reply-To: <20200219203544.31013-2-ville.syrjala@linux.intel.com>
On Wed, 19 Feb 2020 at 20:35, Ville Syrjala
<ville.syrjala@linux.intel.com> wrote:
>
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Let's just calculate the hsync rate on demand. No point in wasting
> space storing it and risking the cached value getting out of sync
> with reality.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
> drivers/gpu/drm/drm_modes.c | 14 ++------------
> drivers/gpu/drm/i915/display/intel_display.c | 1 -
> include/drm/drm_modes.h | 10 ----------
> 3 files changed, 2 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index d4d64518e11b..fe7e872a6239 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -752,24 +752,14 @@ EXPORT_SYMBOL(drm_mode_set_name);
> * @mode: mode
> *
> * Returns:
> - * @modes's hsync rate in kHz, rounded to the nearest integer. Calculates the
> - * value first if it is not yet set.
> + * @modes's hsync rate in kHz, rounded to the nearest integer
> */
> int drm_mode_hsync(const struct drm_display_mode *mode)
> {
> - unsigned int calc_val;
> -
> - if (mode->hsync)
> - return mode->hsync;
> -
> if (mode->htotal <= 0)
> return 0;
>
> - calc_val = (mode->clock * 1000) / mode->htotal; /* hsync in Hz */
> - calc_val += 500; /* round to 1000Hz */
> - calc_val /= 1000; /* truncate to kHz */
> -
> - return calc_val;
> + return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
> }
> EXPORT_SYMBOL(drm_mode_hsync);
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index ee7d54ccd3e6..fab914819489 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -8867,7 +8867,6 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
>
> mode->clock = pipe_config->hw.adjusted_mode.crtc_clock;
>
> - mode->hsync = drm_mode_hsync(mode);
With this gone, we could make drm_mode_hsync() internal and move it to
drm_foo_internal.h.
Making it obvious that drivers, should be copy/pasting it.
Regardless, the patch is:
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
-Emil
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next prev parent reply other threads:[~2020-02-20 10:55 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-19 20:35 [PATCH 00/12] drm: Put drm_display_mode on diet Ville Syrjala
2020-02-19 20:35 ` [PATCH 01/12] drm: Nuke mode->hsync Ville Syrjala
2020-02-20 10:55 ` Emil Velikov [this message]
2020-02-21 16:04 ` [Intel-gfx] " Ville Syrjälä
2020-02-21 16:55 ` Emil Velikov
2020-02-19 20:35 ` [PATCH 02/12] drm/exynos: Use mode->clock instead of reverse calculating it from the vrefresh Ville Syrjala
2020-02-20 10:56 ` Emil Velikov
2020-02-25 0:49 ` Inki Dae
2020-02-19 20:35 ` [PATCH 03/12] drm/i915: Introduce some local intel_dp variables Ville Syrjala
2020-02-20 11:13 ` [Intel-gfx] " Emil Velikov
2020-02-19 20:35 ` [PATCH 04/12] drm: Nuke mode->vrefresh Ville Syrjala
2020-02-20 12:00 ` Emil Velikov
2020-02-22 12:32 ` Sam Ravnborg
2020-02-24 13:14 ` Ville Syrjälä
2020-02-24 14:14 ` Andrzej Hajda
2020-02-25 11:21 ` Ville Syrjälä
2020-02-25 15:19 ` Andrzej Hajda
2020-02-25 15:45 ` Ville Syrjälä
2020-02-25 19:27 ` Ville Syrjälä
2020-02-25 21:52 ` Linus Walleij
2020-02-19 20:35 ` [PATCH 05/12] drm/msm/dpu: Stop copying around mode->private_flags Ville Syrjala
2020-02-20 11:24 ` Emil Velikov
2020-02-20 15:33 ` Ville Syrjälä
2020-02-20 18:14 ` Daniel Vetter
2020-02-19 20:35 ` [PATCH 06/12] drm: Shrink {width,height}_mm to u16 Ville Syrjala
2020-02-20 12:48 ` [Intel-gfx] " Emil Velikov
2020-02-19 20:35 ` [PATCH 07/12] drm: Shrink mode->type to u8 Ville Syrjala
2020-02-20 18:17 ` [Intel-gfx] " Daniel Vetter
2020-02-19 20:35 ` [PATCH 08/12] drm: Make mode->flags u32 Ville Syrjala
2020-02-19 20:35 ` [PATCH 09/12] drm: Shrink drm_display_mode timings Ville Syrjala
2020-02-20 18:19 ` [Intel-gfx] " Daniel Vetter
2020-02-20 18:47 ` Ville Syrjälä
2020-02-21 16:13 ` Sam Ravnborg
2020-02-21 17:27 ` Sam Ravnborg
2020-02-24 13:06 ` Ville Syrjälä
2020-02-19 20:35 ` [PATCH 10/12] drm: Flatten drm_mode_vrefresh() Ville Syrjala
2020-02-19 20:35 ` [PATCH 11/12] drm: Shrink mode->private_flags Ville Syrjala
2020-02-21 16:15 ` Sam Ravnborg
2020-02-24 13:23 ` Ville Syrjälä
2020-02-19 20:35 ` [PATCH 12/12] drm: pahole struct drm_display_mode Ville Syrjala
2020-02-20 12:53 ` Emil Velikov
2020-02-19 21:18 ` [PATCH 00/12] drm: Put drm_display_mode on diet Ville Syrjälä
2020-02-20 13:21 ` Emil Velikov
2020-02-20 14:27 ` Ville Syrjälä
2020-02-20 15:34 ` [Intel-gfx] " Ville Syrjälä
2020-02-21 11:32 ` Jani Nikula
2020-02-21 11:43 ` Ville Syrjälä
2020-02-21 14:42 ` Daniel Vetter
2020-02-21 15:40 ` Ville Syrjälä
2020-02-21 16:09 ` Ville Syrjälä
2020-02-21 17:16 ` Daniel Vetter
2020-02-21 17:49 ` Ville Syrjälä
2020-02-20 17:01 ` Emil Velikov
2020-02-21 15:09 ` Linus Walleij
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