Commit a21fdd7a authored by Thomas Zimmermann's avatar Thomas Zimmermann

drm/ast: Don't clear base address and offset with default values

The content of the base-address and offset registers are state of
the primary plane. Clearing it to default values will interfere with
plane functions for atomic mode setting.
Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Acked-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107083404.6852-4-tzimmermann@suse.de
parent 9253f830
...@@ -253,9 +253,13 @@ static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode ...@@ -253,9 +253,13 @@ static void ast_set_std_reg(struct drm_crtc *crtc, struct drm_display_mode *mode
ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg); ast_set_index_reg(ast, AST_IO_SEQ_PORT, (i + 1) , jreg);
} }
/* Set CRTC */ /* Set CRTC; except base address and offset */
ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00); ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x11, 0x7f, 0x00);
for (i = 0; i < 25; i++) for (i = 0; i < 12; i++)
ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]);
for (i = 14; i < 19; i++)
ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]);
for (i = 20; i < 25; i++)
ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]); ast_set_index_reg(ast, AST_IO_CRTC_PORT, i, stdtable->crtc[i]);
/* set AR */ /* set AR */
......
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