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drm/ast: add AST 2400 support.

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This is ported from the userspace driver.

Untested on any ast2400 hw so far.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2014-03-28 09:18:45 +10:00
parent f1f62f2ccb
commit 1453bf4c48
4 changed files with 20 additions and 14 deletions
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4
drivers/gpu/drm/ast/ast_mode.c
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@@ -398,7 +398,7 @@ static void ast_set_ext_reg(struct drm_crtc *crtc, struct drm_display_mode *mode
ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa8, 0xfd, jregA8);
/* Set Threshold */
if (ast->chip == AST2300) {
if (ast->chip == AST2300 || ast->chip == AST2400) {
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa7, 0x78);
ast_set_index_reg(ast, AST_IO_CRTC_PORT, 0xa6, 0x60);
} else if (ast->chip == AST2100 ||
@@ -771,7 +771,7 @@ static int ast_mode_valid(struct drm_connector *connector,
if ((mode->hdisplay == 1600) && (mode->vdisplay == 900))
return MODE_OK;
if ((ast->chip == AST2100) || (ast->chip == AST2200) || (ast->chip == AST2300) || (ast->chip == AST1180)) {
if ((ast->chip == AST2100) || (ast->chip == AST2200) || (ast->chip == AST2300) || (ast->chip == AST2400) || (ast->chip == AST1180)) {
if ((mode->hdisplay == 1920) && (mode->vdisplay == 1080))
return MODE_OK;