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-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c32
-rw-r--r--drivers/gpu/drm/radeon/radeon.h1
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c15
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c222
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_crtc.c4
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h9
7 files changed, 9 insertions, 278 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index ca04a1bdb75..89600e34423 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -482,19 +482,6 @@ 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 == 0)
- pll->algo = PLL_ALGO_LEGACY;
- else
- pll->algo = PLL_ALGO_NEW;
- } else {
- if (radeon_new_pll == 1)
- pll->algo = PLL_ALGO_NEW;
- else
- pll->algo = PLL_ALGO_LEGACY;
- }
-
if (ASIC_IS_AVIVO(rdev)) {
if ((rdev->family == CHIP_RS600) ||
(rdev->family == CHIP_RS690) ||
@@ -523,25 +510,8 @@ 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;
- if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {
- pll->algo = PLL_ALGO_LEGACY;
+ if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
- }
- /* There is some evidence (often anecdotal) that RV515/RV620 LVDS
- * (on some boards at least) prefers the legacy algo. I'm not
- * sure whether this should handled generically or on a
- * case-by-case quirk basis. Both algos should work fine in the
- * majority of cases.
- */
- if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) &&
- ((rdev->family == CHIP_RV515) ||
- (rdev->family == CHIP_RV620))) {
- /* allow the user to overrride just in case */
- if (radeon_new_pll == 1)
- pll->algo = PLL_ALGO_NEW;
- else
- pll->algo = PLL_ALGO_LEGACY;
- }
} else {
if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 2bfae567913..8e5cb2c4fa7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -88,7 +88,6 @@ extern int radeon_benchmarking;
extern int radeon_testing;
extern int radeon_connector_table;
extern int radeon_tv;
-extern int radeon_new_pll;
extern int radeon_audio;
extern int radeon_disp_priority;
extern int radeon_hw_i2c;
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 68932ba7b8a..89ce9b6d89d 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1112,8 +1112,7 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
* pre-DCE 3.0 r6xx hardware. This might need to be adjusted per
* family.
*/
- if (!radeon_new_pll)
- p1pll->pll_out_min = 64800;
+ p1pll->pll_out_min = 64800;
}
p1pll->pll_in_min =
@@ -1390,18 +1389,6 @@ 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 == 0)
- lvds->pll_algo = PLL_ALGO_LEGACY;
- else
- lvds->pll_algo = PLL_ALGO_NEW;
- } else {
- if (radeon_new_pll == 1)
- lvds->pll_algo = PLL_ALGO_NEW;
- else
- lvds->pll_algo = PLL_ALGO_LEGACY;
- }
-
encoder->native_mode = lvds->native_mode;
if (encoder_enum == 2)
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 20464659d3f..325a07391b3 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -454,13 +454,13 @@ static inline uint32_t radeon_div(uint64_t n, uint32_t d)
return n;
}
-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)
+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)
{
uint32_t min_ref_div = pll->min_ref_div;
uint32_t max_ref_div = pll->max_ref_div;
@@ -609,214 +609,6 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll,
*post_div_p = best_post_div;
}
-static bool
-calc_fb_div(struct radeon_pll *pll,
- uint32_t freq,
- uint32_t post_div,
- uint32_t ref_div,
- uint32_t *fb_div,
- uint32_t *fb_div_frac)
-{
- fixed20_12 feedback_divider, a, b;
- u32 vco_freq;
-
- vco_freq = freq * post_div;
- /* feedback_divider = vco_freq * ref_div / pll->reference_freq; */
- a.full = dfixed_const(pll->reference_freq);
- feedback_divider.full = dfixed_const(vco_freq);
- feedback_divider.full = dfixed_div(feedback_divider, a);
- a.full = dfixed_const(ref_div);
- feedback_divider.full = dfixed_mul(feedback_divider, a);
-
- if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
- /* feedback_divider = floor((feedback_divider * 10.0) + 0.5) * 0.1; */
- a.full = dfixed_const(10);
- feedback_divider.full = dfixed_mul(feedback_divider, a);
- feedback_divider.full += dfixed_const_half(0);
- feedback_divider.full = dfixed_floor(feedback_divider);
- feedback_divider.full = dfixed_div(feedback_divider, a);
-
- /* *fb_div = floor(feedback_divider); */
- a.full = dfixed_floor(feedback_divider);
- *fb_div = dfixed_trunc(a);
- /* *fb_div_frac = fmod(feedback_divider, 1.0) * 10.0; */
- a.full = dfixed_const(10);
- b.full = dfixed_mul(feedback_divider, a);
-
- feedback_divider.full = dfixed_floor(feedback_divider);
- feedback_divider.full = dfixed_mul(feedback_divider, a);
- feedback_divider.full = b.full - feedback_divider.full;
- *fb_div_frac = dfixed_trunc(feedback_divider);
- } else {
- /* *fb_div = floor(feedback_divider + 0.5); */
- feedback_divider.full += dfixed_const_half(0);
- feedback_divider.full = dfixed_floor(feedback_divider);
-
- *fb_div = dfixed_trunc(feedback_divider);
- *fb_div_frac = 0;
- }
-
- if (((*fb_div) < pll->min_feedback_div) || ((*fb_div) > pll->max_feedback_div))
- return false;
- else
- return true;
-}
-
-static bool
-calc_fb_ref_div(struct radeon_pll *pll,
- uint32_t freq,
- uint32_t post_div,
- uint32_t *fb_div,
- uint32_t *fb_div_frac,
- uint32_t *ref_div)
-{
- fixed20_12 ffreq, max_error, error, pll_out, a;
- u32 vco;
- u32 pll_out_min, pll_out_max;
-
- if (pll->flags & RADEON_PLL_IS_LCD) {
- pll_out_min = pll->lcd_pll_out_min;
- pll_out_max = pll->lcd_pll_out_max;
- } else {
- pll_out_min = pll->pll_out_min;
- pll_out_max = pll->pll_out_max;
- }
-
- ffreq.full = dfixed_const(freq);
- /* max_error = ffreq * 0.0025; */
- a.full = dfixed_const(400);
- max_error.full = dfixed_div(ffreq, a);
-
- for ((*ref_div) = pll->min_ref_div; (*ref_div) < pll->max_ref_div; ++(*ref_div)) {
- if (calc_fb_div(pll, freq, post_div, (*ref_div), fb_div, fb_div_frac)) {
- vco = pll->reference_freq * (((*fb_div) * 10) + (*fb_div_frac));
- vco = vco / ((*ref_div) * 10);
-
- if ((vco < pll_out_min) || (vco > pll_out_max))
- continue;
-
- /* pll_out = vco / post_div; */
- a.full = dfixed_const(post_div);
- pll_out.full = dfixed_const(vco);
- pll_out.full = dfixed_div(pll_out, a);
-
- if (pll_out.full >= ffreq.full) {
- error.full = pll_out.full - ffreq.full;
- if (error.full <= max_error.full)
- return true;
- }
- }
- }
- return false;
-}
-
-static void radeon_compute_pll_new(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)
-{
- u32 fb_div = 0, fb_div_frac = 0, post_div = 0, ref_div = 0;
- u32 best_freq = 0, vco_frequency;
- u32 pll_out_min, pll_out_max;
-
- if (pll->flags & RADEON_PLL_IS_LCD) {
- pll_out_min = pll->lcd_pll_out_min;
- pll_out_max = pll->lcd_pll_out_max;
- } else {
- pll_out_min = pll->pll_out_min;
- pll_out_max = pll->pll_out_max;
- }
-
- /* freq = freq / 10; */
- do_div(freq, 10);
-
- if (pll->flags & RADEON_PLL_USE_POST_DIV) {
- post_div = pll->post_div;
- if ((post_div < pll->min_post_div) || (post_div > pll->max_post_div))
- goto done;
-
- vco_frequency = freq * post_div;
- if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
- goto done;
-
- if (pll->flags & RADEON_PLL_USE_REF_DIV) {
- ref_div = pll->reference_div;
- if ((ref_div < pll->min_ref_div) || (ref_div > pll->max_ref_div))
- goto done;
- if (!calc_fb_div(pll, freq, post_div, ref_div, &fb_div, &fb_div_frac))
- goto done;
- }
- } else {
- for (post_div = pll->max_post_div; post_div >= pll->min_post_div; --post_div) {
- if (pll->flags & RADEON_PLL_LEGACY) {
- if ((post_div == 5) ||
- (post_div == 7) ||
- (post_div == 9) ||
- (post_div == 10) ||
- (post_div == 11))
- continue;
- }
-
- if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
- continue;
-
- vco_frequency = freq * post_div;
- if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
- continue;
- if (pll->flags & RADEON_PLL_USE_REF_DIV) {
- ref_div = pll->reference_div;
- if ((ref_div < pll->min_ref_div) || (ref_div > pll->max_ref_div))
- goto done;
- if (calc_fb_div(pll, freq, post_div, ref_div, &fb_div, &fb_div_frac))
- break;
- } else {
- if (calc_fb_ref_div(pll, freq, post_div, &fb_div, &fb_div_frac, &ref_div))
- break;
- }
- }
- }
-
- best_freq = pll->reference_freq * 10 * fb_div;
- best_freq += pll->reference_freq * fb_div_frac;
- best_freq = best_freq / (ref_div * post_div);
-
-done:
- if (best_freq == 0)
- DRM_ERROR("Couldn't find valid PLL dividers\n");
-
- *dot_clock_p = best_freq / 10;
- *fb_div_p = fb_div;
- *frac_fb_div_p = fb_div_frac;
- *ref_div_p = ref_div;
- *post_div_p = post_div;
-
- DRM_DEBUG_KMS("%u %d.%d, %d, %d\n", *dot_clock_p, *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_NEW:
- radeon_compute_pll_new(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_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 663cdc10a5c..f29a2695d96 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -93,7 +93,6 @@ int radeon_benchmarking = 0;
int radeon_testing = 0;
int radeon_connector_table = 0;
int radeon_tv = 1;
-int radeon_new_pll = -1;
int radeon_audio = 1;
int radeon_disp_priority = 0;
int radeon_hw_i2c = 0;
@@ -131,9 +130,6 @@ module_param_named(connector_table, radeon_connector_table, int, 0444);
MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
module_param_named(tv, radeon_tv, int, 0444);
-MODULE_PARM_DESC(new_pll, "Select new PLL code");
-module_param_named(new_pll, radeon_new_pll, int, 0444);
-
MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
module_param_named(audio, radeon_audio, int, 0444);
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index d60b3198284..28e0b1e9e5f 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -717,10 +717,6 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
pll = &rdev->clock.p1pll;
pll->flags = RADEON_PLL_LEGACY;
- if (radeon_new_pll == 1)
- pll->algo = PLL_ALGO_NEW;
- else
- pll->algo = PLL_ALGO_LEGACY;
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->crtc == crtc) {
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 8707cd61e58..29f551769aa 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -144,12 +144,6 @@ struct radeon_tmds_pll {
#define RADEON_PLL_USE_POST_DIV (1 << 6)
#define RADEON_PLL_IS_LCD (1 << 7)
-/* pll algo */
-enum radeon_pll_algo {
- PLL_ALGO_LEGACY,
- PLL_ALGO_NEW
-};
-
struct radeon_pll {
/* reference frequency */
uint32_t reference_freq;
@@ -182,8 +176,6 @@ struct radeon_pll {
/* pll id */
uint32_t id;
- /* pll algo */
- enum radeon_pll_algo algo;
};
struct radeon_i2c_chan {
@@ -346,7 +338,6 @@ 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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 04:32:57 +0000