diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c | 50 |
1 files changed, 4 insertions, 46 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c index d7de756301cf..09151cc56ce4 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c @@ -45,24 +45,14 @@ #define MAX_INSTANCE 7 #define MAX_SEGMENT 6 -struct IP_BASE_INSTANCE -{ +struct IP_BASE_INSTANCE { unsigned int segment[MAX_SEGMENT]; }; -struct IP_BASE -{ +struct IP_BASE { struct IP_BASE_INSTANCE instance[MAX_INSTANCE]; }; -static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0, 0 } }, - { { 0x00016E00, 0x02401C00, 0, 0, 0, 0 } }, - { { 0x00017000, 0x02402000, 0, 0, 0, 0 } }, - { { 0x00017200, 0x02402400, 0, 0, 0, 0 } }, - { { 0x0001B000, 0x0242D800, 0, 0, 0, 0 } }, - { { 0x0001B200, 0x0242DC00, 0, 0, 0, 0 } }, - { { 0x0001B400, 0x0242E000, 0, 0, 0, 0 } } } }; - #define regCLK1_CLK_PLL_REQ 0x0237 #define regCLK1_CLK_PLL_REQ_BASE_IDX 0 @@ -73,9 +63,6 @@ static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0, #define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L #define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L -#define REG(reg_name) \ - (CLK_BASE.instance[0].segment[reg ## reg_name ## _BASE_IDX] + reg ## reg_name) - #define TO_CLK_MGR_DCN316(clk_mgr)\ container_of(clk_mgr, struct clk_mgr_dcn316, base) @@ -577,36 +564,6 @@ static struct clk_mgr_funcs dcn316_funcs = { }; extern struct clk_mgr_funcs dcn3_fpga_funcs; -static int get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr) -{ - /* get FbMult value */ - struct fixed31_32 pll_req; - unsigned int fbmult_frac_val = 0; - unsigned int fbmult_int_val = 0; - - /* - * Register value of fbmult is in 8.16 format, we are converting to 31.32 - * to leverage the fix point operations available in driver - */ - - REG_GET(CLK1_CLK_PLL_REQ, FbMult_frac, &fbmult_frac_val); /* 16 bit fractional part*/ - REG_GET(CLK1_CLK_PLL_REQ, FbMult_int, &fbmult_int_val); /* 8 bit integer part */ - - pll_req = dc_fixpt_from_int(fbmult_int_val); - - /* - * since fractional part is only 16 bit in register definition but is 32 bit - * in our fix point definiton, need to shift left by 16 to obtain correct value - */ - pll_req.value |= fbmult_frac_val << 16; - - /* multiply by REFCLK period */ - pll_req = dc_fixpt_mul_int(pll_req, clk_mgr->dfs_ref_freq_khz); - - /* integer part is now VCO frequency in kHz */ - return dc_fixpt_floor(pll_req); -} - void dcn316_clk_mgr_construct( struct dc_context *ctx, struct clk_mgr_dcn316 *clk_mgr, @@ -660,7 +617,8 @@ void dcn316_clk_mgr_construct( clk_mgr->base.smu_present = true; // Skip this for now as it did not work on DCN315, renable during bring up - clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base); + //clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base); + clk_mgr->base.base.dentist_vco_freq_khz = 2500000; /* in case we don't get a value from the register, use default */ if (clk_mgr->base.base.dentist_vco_freq_khz == 0) |