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drm/i915: Shrink cxsr_latency_table

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unsigned long is too wide - use smaller types in
struct cxsr_latency to save 800-something bytes of .rodata.

v2: All data even fits in u16 for even more saving. (Ville Syrjala)
v3: Move bitfields to the end of the struct. (Joonas Lahtinen)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Tvrtko Ursulin 2016-10-13 11:09:23 +01:00
parent 1c777c5d1d
commit 44a655cae3
2 changed files with 10 additions and 10 deletions
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16
drivers/gpu/drm/i915/intel_drv.h
View File

@ -807,14 +807,14 @@ struct intel_watermark_params {
};
struct cxsr_latency {
int is_desktop;
int is_ddr3;
unsigned long fsb_freq;
unsigned long mem_freq;
unsigned long display_sr;
unsigned long display_hpll_disable;
unsigned long cursor_sr;
unsigned long cursor_hpll_disable;
u16 fsb_freq;
u16 mem_freq;
u16 display_sr;
u16 display_hpll_disable;
u16 cursor_sr;
u16 cursor_hpll_disable;
bool is_desktop : 1;
bool is_ddr3 : 1;
};
#define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base)

4
drivers/gpu/drm/i915/intel_pm.c
View File

@ -252,8 +252,8 @@ static const struct cxsr_latency cxsr_latency_table[] = {
{0, 1, 400, 800, 6042, 36042, 6584, 36584}, /* DDR3-800 SC */
};
static const struct cxsr_latency *intel_get_cxsr_latency(int is_desktop,
int is_ddr3,
static const struct cxsr_latency *intel_get_cxsr_latency(bool is_desktop,
bool is_ddr3,
int fsb,
int mem)
{