Hi Takashi,
2017-01-16 Takashi Iwai <tiwai@xxxxxxx>:
> This is just a cleanup, no functional change.
>
> The fixup code for 1366x768 in drm_mode_create_from_cmdline_mode() is
> basically a copy of the existing code in drm_edid.c. Make the latter
> code public so that it can be called from the former function.
>
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> ---
> drivers/gpu/drm/drm_crtc_internal.h | 3 +++
> drivers/gpu/drm/drm_edid.c | 6 +++---
> drivers/gpu/drm/drm_modes.c | 9 ++-------
> 3 files changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
> index cdf6860c9d22..01bde7103ad6 100644
> --- a/drivers/gpu/drm/drm_crtc_internal.h
> +++ b/drivers/gpu/drm/drm_crtc_internal.h
> @@ -199,3 +199,6 @@ int drm_mode_cursor2_ioctl(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
> int drm_mode_page_flip_ioctl(struct drm_device *dev,
> void *data, struct drm_file *file_priv);
> +
> +/* drm_edid.c */
> +void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 336be31ff3de..739a19cb27d9 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -2152,7 +2152,7 @@ drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
> /* fix up 1366x768 mode from 1368x768;
> * GFT/CVT can't express 1366 width which isn't dividable by 8
> */
> -static void fixup_mode_1366x768(struct drm_display_mode *mode)
> +void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
> {
> if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
> mode->hdisplay = 1366;
> @@ -2176,7 +2176,7 @@ drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
> if (!newmode)
> return modes;
>
> - fixup_mode_1366x768(newmode);
> + drm_mode_fixup_1366x768(newmode);
> if (!mode_in_range(newmode, edid, timing) ||
> !valid_inferred_mode(connector, newmode)) {
> drm_mode_destroy(dev, newmode);
> @@ -2205,7 +2205,7 @@ drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
> if (!newmode)
> return modes;
>
> - fixup_mode_1366x768(newmode);
> + drm_mode_fixup_1366x768(newmode);
> if (!mode_in_range(newmode, edid, timing) ||
> !valid_inferred_mode(connector, newmode)) {
> drm_mode_destroy(dev, newmode);
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index e6b19bc9021a..860f4d1ffbde 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -1461,13 +1461,8 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev,
>
> mode->type |= DRM_MODE_TYPE_USERDEF;
> /* fix up 1368x768: GFT/CVT can't express 1366 width due to alignment */
> - if (cmd->xres == 1366 && mode->hdisplay == 1368) {
> - mode->hdisplay = 1366;
> - mode->hsync_start--;
> - mode->hsync_end--;
> - drm_mode_set_name(mode);
> - }
> - drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
At a glance removing the call to drm_mode_set_crtcinfo() seems a
functional change to me. I'm not sure why you removed it.
Gustavo
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