Attachment 86147 Details for Bug 68235 – mclk debugging pll debugging output

[patch] mclk debugging pll debugging output

bug68235.patch (text/plain), 3.10 KB, created by Alex Deucher on 2013-09-19 14:46:13 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Alex Deucher

Created: 2013-09-19 14:46:13 UTC

Size: 3.10 KB

patch

obsolete

>diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
>index 6c398a4..83568e0 100644
>--- a/drivers/gpu/drm/radeon/ni_dpm.c
>+++ b/drivers/gpu/drm/radeon/ni_dpm.c
>@@ -1055,6 +1055,8 @@ static int ni_restrict_performance_levels_before_switch(struct radeon_device *rd
> int ni_dpm_force_performance_level(struct radeon_device *rdev,
> 				   enum radeon_dpm_forced_level level)
> {
>+	return 0;
>+
> 	if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
> 		if (ni_send_msg_to_smc_with_parameter(rdev, PPSMC_MSG_SetEnabledLevels, 0) != PPSMC_Result_OK)
> 			return -EINVAL;
>@@ -2188,6 +2190,12 @@ static int ni_populate_mclk_value(struct radeon_device *rdev,
> 	if (ret)
> 		return ret;
> 
>+	printk("pll params: m %u, ref %u, pd %u, epd %u, dithen %u, fb %u.%u, ref %u, vco %u\n",
>+	       memory_clock, rdev->clock.mpll.reference_freq, dividers.post_div,
>+	       dividers.enable_post_div, dividers.enable_dithen,
>+	       dividers.whole_fb_div, dividers.frac_fb_div, dividers.ref_div,
>+	       dividers.vco_mode);
>+
> 	if (!strobe_mode) {
> 		mc_seq_misc7 = RREG32(MC_SEQ_MISC7);
> 
>@@ -2195,8 +2203,16 @@ static int ni_populate_mclk_value(struct radeon_device *rdev,
> 			dividers.post_div = 1;
> 	}
> 
>+	printk("pll params: m %u, ref %u, pd %u, epd %u, dithen %u, fb %u.%u, ref %u, vco %u\n",
>+	       memory_clock, rdev->clock.mpll.reference_freq, dividers.post_div,
>+	       dividers.enable_post_div, dividers.enable_dithen,
>+	       dividers.whole_fb_div, dividers.frac_fb_div, dividers.ref_div,
>+	       dividers.vco_mode);
>+
> 	ibias = cypress_map_clkf_to_ibias(rdev, dividers.whole_fb_div);
> 
>+	printk("ibias: 0x%x", ibias);
>+
> 	mpll_ad_func_cntl &= ~(CLKR_MASK |
> 			       YCLK_POST_DIV_MASK |
> 			       CLKF_MASK |
>@@ -2248,6 +2264,9 @@ static int ni_populate_mclk_value(struct radeon_device *rdev,
> 			u32 clk_v = ss.percentage *
> 				(0x4000 * dividers.whole_fb_div + 0x800 * dividers.frac_fb_div) / (clk_s * 625);
> 
>+			printk("ss: s 0x%x v 0x%x rate %u, percent %u\n", clk_s, clk_v,
>+			       ss.rate, ss.percentage);
>+
> 			mpll_ss1 &= ~CLKV_MASK;
> 			mpll_ss1 |= CLKV(clk_v);
> 
>@@ -2874,7 +2893,7 @@ static int ni_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
> static int ni_initialize_mc_reg_table(struct radeon_device *rdev)
> {
> 	struct ni_power_info *ni_pi = ni_get_pi(rdev);
>-	int ret;
>+	int ret, i, j;
> 	struct atom_mc_reg_table *table;
> 	struct ni_mc_reg_table *ni_table = &ni_pi->mc_reg_table;
> 	u8 module_index = rv770_get_memory_module_index(rdev);
>@@ -2902,6 +2921,20 @@ static int ni_initialize_mc_reg_table(struct radeon_device *rdev)
>         if (ret)
>                 goto init_mc_done;
> 
>+	printk("module_index %d\n", module_index);
>+	for (i = 0; i < table->last; i++) {
>+		printk("%d reg: 0x%x, 0x%x\n", i,
>+		       table->mc_reg_address[i].s1, table->mc_reg_address[i].pre_reg_data);
>+	}
>+	for (i = 0; i < table->num_entries; i++) {
>+		printk("%d mclk: %u\n", i,
>+		       table->mc_reg_table_entry[i].mclk_max);
>+		for (j = 0; j < table->last; j++) {
>+			printk(" %d mc_data: 0x%08x\n", j,
>+			       table->mc_reg_table_entry[i].mc_data[j]);
>+		}
>+	}
>+
> 	ret = ni_copy_vbios_mc_reg_table(table, ni_table);
> 
>         if (ret)

Actions: View | Splinter Review

Attachments on bug 68235: 84186 | 85157 | 85578 | 85798 | 85989 | 86111 | 86112 | 86147 | 86168 | 86296 | 86297

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.