From 86cb2bbfda2cf402aee46779ee90bbb7d915482b Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 8 Mar 2010 12:55:16 -0500 Subject: drm/radeon/kms: use lcd pll limits when available The bios has alternate pll output limits for LCD panels. If available, use these for pll divider calculations. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_combios.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/radeon/radeon_combios.c') diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 69af81d..30a84ae 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -633,6 +633,8 @@ bool radeon_combios_get_clock_info(struct drm_device *dev) p1pll->reference_div = RBIOS16(pll_info + 0x10); p1pll->pll_out_min = RBIOS32(pll_info + 0x12); p1pll->pll_out_max = RBIOS32(pll_info + 0x16); + p1pll->lcd_pll_out_min = p1pll->pll_out_min; + p1pll->lcd_pll_out_max = p1pll->pll_out_max; if (rev > 9) { p1pll->pll_in_min = RBIOS32(pll_info + 0x36); -- cgit v1.1 From b28ea41164dc36110dafcdc63783e9b7fb865784 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 12 Mar 2010 13:30:49 -0500 Subject: drm/radeon/kms/r1xx: enable hw i2c fixing the i2c prescale in the last patch gets it working on r1xx. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_combios.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/gpu/drm/radeon/radeon_combios.c') diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 30a84ae..6d87e70 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -531,10 +531,7 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde case CHIP_RS300: switch (ddc_line) { case RADEON_GPIO_DVI_DDC: - /* in theory this should be hw capable, - * but it doesn't seem to work - */ - i2c.hw_capable = false; + i2c.hw_capable = true; break; default: i2c.hw_capable = false; -- cgit v1.1 From 3a89b4a9ca7ce11e3b7d5119aea917b9fc29a302 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 6 Apr 2010 12:35:26 -0400 Subject: drm/radeon/kms/combios: verify dac_adj values are valid Some vbios dac_adj tables are all zeros. Check for that case and use the default table if so. Should fix fdo bug 27478. Signed-off-by: Alex Deucher Cc: stable Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_combios.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/radeon/radeon_combios.c') diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 2becded..37db8ad 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -760,7 +760,9 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct dac = RBIOS8(dac_info + 0x3) & 0xf; p_dac->ps2_pdac_adj = (bg << 8) | (dac); } - found = 1; + /* if the values are all zeros, use the table */ + if (p_dac->ps2_pdac_adj) + found = 1; } if (!found) /* fallback to defaults */ @@ -895,7 +897,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct bg = RBIOS8(dac_info + 0x10) & 0xf; dac = RBIOS8(dac_info + 0x11) & 0xf; tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20); - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } else if (rev > 1) { bg = RBIOS8(dac_info + 0xc) & 0xf; dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf; @@ -908,7 +912,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct bg = RBIOS8(dac_info + 0xe) & 0xf; dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf; tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20); - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } tv_dac->tv_std = radeon_combios_get_tv_info(rdev); } @@ -925,7 +931,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct (bg << 16) | (dac << 20); tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj; tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj; - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } else { bg = RBIOS8(dac_info + 0x4) & 0xf; dac = RBIOS8(dac_info + 0x5) & 0xf; @@ -933,7 +941,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct (bg << 16) | (dac << 20); tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj; tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj; - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } } else { DRM_INFO("No TV DAC info found in BIOS\n"); -- cgit v1.1