Commit b305fc74 authored by José Roberto de Souza's avatar José Roberto de Souza
Browse files

drm/i915/display: Add DDR5 and LPDDR5 BW buddy page entries 



Set the right BW buddy page mask for new memory types.

BSpec: 49218
Cc: Clint Taylor <clinton.a.taylor@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
Reviewed-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210209174238.153278-1-jose.souza@intel.com
parent 5ffb9afa

drivers/gpu/drm/i915/display/intel_display_power.c

+8 −0
Original line number Diff line number Diff line
@@ -5317,17 +5317,25 @@ struct buddy_page_mask { 


static const struct buddy_page_mask tgl_buddy_page_masks[] = {

	{ .num_channels = 1, .type = INTEL_DRAM_DDR4,   .page_mask = 0xF },

	{ .num_channels = 1, .type = INTEL_DRAM_DDR5,	.page_mask = 0xF },

	{ .num_channels = 2, .type = INTEL_DRAM_LPDDR4, .page_mask = 0x1C },

	{ .num_channels = 2, .type = INTEL_DRAM_LPDDR5, .page_mask = 0x1C },

	{ .num_channels = 2, .type = INTEL_DRAM_DDR4,   .page_mask = 0x1F },

	{ .num_channels = 2, .type = INTEL_DRAM_DDR5,   .page_mask = 0x1E },

	{ .num_channels = 4, .type = INTEL_DRAM_LPDDR4, .page_mask = 0x38 },

	{ .num_channels = 4, .type = INTEL_DRAM_LPDDR5, .page_mask = 0x38 },

	{}

};



static const struct buddy_page_mask wa_1409767108_buddy_page_masks[] = {

	{ .num_channels = 1, .type = INTEL_DRAM_LPDDR4, .page_mask = 0x1 },

	{ .num_channels = 1, .type = INTEL_DRAM_DDR4,   .page_mask = 0x1 },

	{ .num_channels = 1, .type = INTEL_DRAM_DDR5,   .page_mask = 0x1 },

	{ .num_channels = 1, .type = INTEL_DRAM_LPDDR5, .page_mask = 0x1 },

	{ .num_channels = 2, .type = INTEL_DRAM_LPDDR4, .page_mask = 0x3 },

	{ .num_channels = 2, .type = INTEL_DRAM_DDR4,   .page_mask = 0x3 },

	{ .num_channels = 2, .type = INTEL_DRAM_DDR5,   .page_mask = 0x3 },

	{ .num_channels = 2, .type = INTEL_DRAM_LPDDR5, .page_mask = 0x3 },

	{}

};