Hi Am 16.09.22 um 11:17 schrieb Jammy Huang:
Some cases are not handled well for ast2600.Signed-off-by: Jammy Huang <[email protected]> --- drivers/gpu/drm/ast/ast_mode.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index d327dcbaf032..be9bbc888ac3 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -314,7 +314,7 @@ static void ast_set_crtc_reg(struct ast_private *ast, u8 jreg05 = 0, jreg07 = 0, jreg09 = 0, jregAC = 0, jregAD = 0, jregAE = 0; u16 temp, precache = 0;- if ((ast->chip == AST2500) &&+ if ((ast->chip == AST2500 || ast->chip == AST2600) && (vbios_mode->enh_table->flags & AST2500PreCatchCRT)) precache = 40;@@ -355,6 +355,12 @@ static void ast_set_crtc_reg(struct ast_private *ast,ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAC, 0x00, jregAC); ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xAD, 0x00, jregAD);+ // Workaround for HSync Time non octave pixels (1920x1080@60Hz HSync 44 pixels);
Applied to drm-misc-next, but what is an 'octave pixel'? Best regards Thomas
+ if ((ast->chip == AST2600) && (mode->crtc_vdisplay == 1080)) + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xFC, 0xFD, 0x02); + else + ast_set_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xFC, 0xFD, 0x00); + /* vert timings */ temp = (mode->crtc_vtotal) - 2; if (temp & 0x100) @@ -432,7 +438,7 @@ static void ast_set_dclk_reg(struct ast_private *ast, { const struct ast_vbios_dclk_info *clk_info;- if (ast->chip == AST2500)+ if ((ast->chip == AST2500) || (ast->chip == AST2600)) clk_info = &dclk_table_ast2500[vbios_mode->enh_table->dclk_index]; else clk_info = &dclk_table[vbios_mode->enh_table->dclk_index];
-- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Ivo Totev
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