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drm/ast: Remove unused code paths for AST 1180

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The ast driver contains code paths for AST 1180 chips. The chip is not
supported and the rsp code has never been tested. Simplify the driver by
removing the AST 1180 code.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200617080340.29584-2-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2020-06-17 10:03:37 +02:00
parent b3bfcdf8a3
commit 05f13f5b59
5 changed files with 43 additions and 69 deletions
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10
drivers/gpu/drm/ast/ast_mode.c
View file

@ -768,9 +768,6 @@ static void ast_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct ast_private *ast = crtc->dev->dev_private;
if (ast->chip == AST1180)
return;
/* TODO: Maybe control display signal generation with
* Sync Enable (bit CR17.7).
*/
@ -797,11 +794,6 @@ static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
const struct drm_format_info *format;
bool succ;
if (ast->chip == AST1180) {
DRM_ERROR("AST 1180 modesetting not supported\n");
return -EINVAL;
}
if (!state->enable)
return 0; /* no mode checks if CRTC is being disabled */
@ -1043,7 +1035,7 @@ static enum drm_mode_status ast_mode_valid(struct drm_connector *connector,
if ((ast->chip == AST2100) || (ast->chip == AST2200) ||
(ast->chip == AST2300) || (ast->chip == AST2400) ||
(ast->chip == AST2500) || (ast->chip == AST1180)) {
(ast->chip == AST2500)) {
if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080))
return MODE_OK;