diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index af464e351fbd..4bae5511ea60 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -424,6 +424,15 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, /* reset the pll flags */ pll->flags = 0; + /* select the PLL algo */ + if (ASIC_IS_AVIVO(rdev)) { + if (radeon_new_pll) + pll->algo = PLL_ALGO_AVIVO; + else + pll->algo = PLL_ALGO_LEGACY; + } else + pll->algo = PLL_ALGO_LEGACY; + if (ASIC_IS_AVIVO(rdev)) { if ((rdev->family == CHIP_RS600) || (rdev->family == CHIP_RS690) || @@ -452,6 +461,11 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */ if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1) adjusted_clock = mode->clock * 2; + /* LVDS PLL quirks */ + if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) { + struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; + pll->algo = dig->pll_algo; + } } else { if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) pll->flags |= RADEON_PLL_NO_ODD_POST_DIV; @@ -550,18 +564,8 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) /* adjust pixel clock as needed */ adjusted_clock = atombios_adjust_pll(crtc, mode, pll); - if (ASIC_IS_AVIVO(rdev)) { - if (radeon_new_pll) - radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, - &fb_div, &frac_fb_div, - &ref_div, &post_div); - else - radeon_compute_pll(pll, adjusted_clock, &pll_clock, - &fb_div, &frac_fb_div, - &ref_div, &post_div); - } else - radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, - &ref_div, &post_div); + radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div, + &ref_div, &post_div); index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index fa82ca74324e..667f099e84af 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1143,6 +1143,14 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct lvds->ss = radeon_atombios_get_ss_info(encoder, lvds_info->info.ucSS_Id); + if (ASIC_IS_AVIVO(rdev)) { + if (radeon_new_pll) + lvds->pll_algo = PLL_ALGO_AVIVO; + else + lvds->pll_algo = PLL_ALGO_LEGACY; + } else + lvds->pll_algo = PLL_ALGO_LEGACY; + encoder->native_mode = lvds->native_mode; } return lvds; diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 79634da7c311..62fe66c02341 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -405,13 +405,13 @@ static inline uint32_t radeon_div(uint64_t n, uint32_t d) return n; } -void radeon_compute_pll(struct radeon_pll *pll, - uint64_t freq, - uint32_t *dot_clock_p, - uint32_t *fb_div_p, - uint32_t *frac_fb_div_p, - uint32_t *ref_div_p, - uint32_t *post_div_p) +static void radeon_compute_pll_legacy(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p) { uint32_t min_ref_div = pll->min_ref_div; uint32_t max_ref_div = pll->max_ref_div; @@ -571,13 +571,13 @@ void radeon_compute_pll(struct radeon_pll *pll, *post_div_p = best_post_div; } -void radeon_compute_pll_avivo(struct radeon_pll *pll, - uint64_t freq, - uint32_t *dot_clock_p, - uint32_t *fb_div_p, - uint32_t *frac_fb_div_p, - uint32_t *ref_div_p, - uint32_t *post_div_p) +static void radeon_compute_pll_avivo(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p) { fixed20_12 m, n, frac_n, p, f_vco, f_pclk, best_freq; fixed20_12 pll_out_max, pll_out_min; @@ -662,6 +662,27 @@ void radeon_compute_pll_avivo(struct radeon_pll *pll, DRM_DEBUG("%u %d.%d, %d, %d\n", *dot_clock_p * 10, *fb_div_p, *frac_fb_div_p, *ref_div_p, *post_div_p); } +void radeon_compute_pll(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p) +{ + switch (pll->algo) { + case PLL_ALGO_AVIVO: + radeon_compute_pll_avivo(pll, freq, dot_clock_p, fb_div_p, + frac_fb_div_p, ref_div_p, post_div_p); + break; + case PLL_ALGO_LEGACY: + default: + radeon_compute_pll_legacy(pll, freq, dot_clock_p, fb_div_p, + frac_fb_div_p, ref_div_p, post_div_p); + break; + } +} + static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb) { struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index d6d69bb2ecea..83d4dbd6d067 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -703,6 +703,7 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) pll = &rdev->clock.p1pll; pll->flags = RADEON_PLL_LEGACY; + pll->algo = PLL_ALGO_LEGACY; if (mode->clock > 200000) /* range limits??? */ pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 71439ba2feeb..d1e859d1dbf9 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -113,6 +113,7 @@ struct radeon_tmds_pll { #define RADEON_MAX_BIOS_CONNECTOR 16 +/* pll flags */ #define RADEON_PLL_USE_BIOS_DIVS (1 << 0) #define RADEON_PLL_NO_ODD_POST_DIV (1 << 1) #define RADEON_PLL_USE_REF_DIV (1 << 2) @@ -127,6 +128,12 @@ struct radeon_tmds_pll { #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11) #define RADEON_PLL_USE_POST_DIV (1 << 12) +/* pll algo */ +enum radeon_pll_algo { + PLL_ALGO_LEGACY, + PLL_ALGO_AVIVO +}; + struct radeon_pll { /* reference frequency */ uint32_t reference_freq; @@ -157,6 +164,8 @@ struct radeon_pll { /* pll id */ uint32_t id; + /* pll algo */ + enum radeon_pll_algo algo; }; struct i2c_algo_radeon_data { @@ -309,6 +318,7 @@ struct radeon_encoder_atom_dig { /* atom lvds */ uint32_t lvds_misc; uint16_t panel_pwr_delay; + enum radeon_pll_algo pll_algo; struct radeon_atom_ss *ss; /* panel mode */ struct drm_display_mode native_mode; @@ -439,14 +449,6 @@ extern void radeon_compute_pll(struct radeon_pll *pll, uint32_t *ref_div_p, uint32_t *post_div_p); -extern void radeon_compute_pll_avivo(struct radeon_pll *pll, - uint64_t freq, - uint32_t *dot_clock_p, - uint32_t *fb_div_p, - uint32_t *frac_fb_div_p, - uint32_t *ref_div_p, - uint32_t *post_div_p); - extern void radeon_setup_encoder_clones(struct drm_device *dev); struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);